Civil Service Exam Study Guide
Professional & Sub-Professional • Must-Remember Rules, Recalls, Shortcuts & Formulas
Notes to Remember
1. Exam Structure & Passing Reality (80.00% General Average)
The Civil Service Examination (CSE-PPT and COMEX) tests overall public service fitness across both levels:
- Professional Level: 170 items (150 graded + 20 EDQ), 3 hours 10 minutes (190 mins). Core subtests: Verbal (EN/FIL), Numerical Ability, Analytical Ability, General Information.
- Sub-Professional Level: 165 items (145 graded + 20 EDQ), 2 hours 40 minutes (160 mins). Core subtests: Verbal (EN/FIL), Numerical Ability, Clerical Operations, General Information.
- August 9, 2026 Passing Reality: 14.41% national passing rate (only 34,719 passers out of 240,934 examinees).
- November 22, 2026 Reset Exam (CSC Advisory No. 19, s. 2026): Official reset for examinees in NCR (all testing centers), Region IV (CALABARZON: Dasmariñas, Sta. Cruz, Batangas City, Morong Rizal), and CAR (Baguio, La Trinidad, Abra).
2. Strictly No Calculator ("Long Computation = Trap")
Calculators of any kind are strictly forbidden in testing centers. If a problem seems to demand heavy, complex arithmetic, it is engineered with a shortcut:
- Product over Sum for joint work: $\text{Time} = \frac{A \times B}{A + B}$.
- Multiplier Shortcut for successive discounts ($20\%$ then $10\% = 0.80 \times 0.90 = 0.72 \Rightarrow \mathbf{28\%}$, never $30\%$).
- Constant Age Difference: Test choice B or C directly (backsolving) instead of writing 2-variable linear equations.
3. Passers' Proven Order of Attack & Time Management
The #1 reason examinees fail is running out of time on long reading passages or stuck on 1 math item:
- Phase 1 (First 25 Mins) — Bankable Speed Points: Attack General Information (RA 6713, Constitution) and Vocabulary/Grammar first. These take 15–20 seconds per item.
- Phase 2 (Next 40 Mins) — High-Focus Logic: Tackle Analytical Ability (Syllogisms, Word Analogies, Assumptions) while your mind is completely fresh.
- Phase 3 (Next 50 Mins) — Numerical Ability: Solve the Big 5 word problems using shortcuts; skip and circle complex geometry.
- Phase 4 (Final Mins) — Paragraph Organization & Reading Comprehension: Scan choice first letters and passage question stems first.
4. Zero Negative Marking (Never Leave Any Blanks)
There is no penalty for incorrect answers (unlike the UPCAT Right-Minus-1/4 rule). Every correct answer gives 1 raw point. In the final 2 minutes before pencils down, pick one consistent letter (like B or C) and shade all remaining unshaded items.
💡 Top Post-Exam Recall Warnings & Examples (From 57 Harvested Batches)
Examinees' Top Reported Traps & Concrete Examples
Trap 1 (Adding Work Hours): Never compute $6\text{ hrs} + 3\text{ hrs} = 9\text{ hrs}$ for people working together. Combined work is always faster than the fastest worker.
Example Q: Person A finishes a job in $6$ hours, and Person B finishes in $3$ hours. How long working together?
❌ Trap Choice: $9$ hours or $4.5$ hours.
✅ Correct Answer: $\frac{6 \times 3}{6 + 3} = \frac{18}{9} = \mathbf{2\text{ hours}}$.
❌ Trap Choice: $9$ hours or $4.5$ hours.
✅ Correct Answer: $\frac{6 \times 3}{6 + 3} = \frac{18}{9} = \mathbf{2\text{ hours}}$.
Trap 2 (Adding Percent Discounts): A 20% discount followed by a 10% discount is 28%, NOT 30%.
Example Q: A $\$100$ jacket gets $20\%$ off, then another $10\%$ off at the register.
❌ Trap Choice: $\$30$ total discount ($30\%$).
✅ Correct Answer: Multiplier method: $0.80 \times 0.90 = 0.72 \Rightarrow 100\% - 72\% = \mathbf{28\%}$ single equivalent discount ($\$28$ off).
❌ Trap Choice: $\$30$ total discount ($30\%$).
✅ Correct Answer: Multiplier method: $0.80 \times 0.90 = 0.72 \Rightarrow 100\% - 72\% = \mathbf{28\%}$ single equivalent discount ($\$28$ off).
Trap 3 (15 Working Days vs Calendar Days in RA 6713): Government response deadline is strictly 15 WORKING days, not calendar days.
Example Q: A citizen delivers a formal query on a Friday before a long holiday weekend.
❌ Trap Choice: 15 calendar days from delivery date.
✅ Correct Rule: Saturdays, Sundays, and official non-working holidays are excluded from the 15-day countdown.
❌ Trap Choice: 15 calendar days from delivery date.
✅ Correct Rule: Saturdays, Sundays, and official non-working holidays are excluded from the 15-day countdown.
Trap 4 (Intervening Subject-Verb Agreement): Phrases like "along with", "as well as", and "together with" do NOT make a singular subject plural.
Example: "The Provincial Director, along with five inspectors, is (not are) visiting the site today."
Trap 5 (Paragraph Organization Time Sink): Never read all 5 sentences randomly. Always look at choice first-letters to isolate candidate opening sentences.
Example: If choices start with Sentence 1 and Sentence 3, look only at 1 and 3. Eliminate the one starting with "These factors..." or "Consequently...".
TOPIC 01
Numerical Ability ("Big 5" Word Problems & Fast Math)
📘 Definition & Scope
Tests arithmetic speed, number sequences, fractions, decimals, percentages, and the five fundamental word problem archetypes without a calculator.
1. Work, Pipes & Tank Filling Problems
Two Workers Together (Product over Sum): $\text{Time} = \frac{A \times B}{A + B}$
Example Q: Worker A paints a fence in 4 hours, and Worker B takes 12 hours. How long together?
✅ Solution: $\text{Time} = \frac{4 \times 12}{4 + 12} = \frac{48}{16} = \mathbf{3\text{ hours}}$.
✅ Solution: $\text{Time} = \frac{4 \times 12}{4 + 12} = \frac{48}{16} = \mathbf{3\text{ hours}}$.
Three Workers Together: $\text{Time} = \frac{A \times B \times C}{AB + BC + AC}$ (or sum rates: $\frac{1}{A} + \frac{1}{B} + \frac{1}{C} = \frac{1}{T}$)
Example: Rates $\frac{1}{2} + \frac{1}{3} + \frac{1}{6} = \frac{3+2+1}{6} = \frac{6}{6} = 1 \Rightarrow \mathbf{1\text{ hour}}$ together.
Inlet Pipe ($A$) and Drain Leak Pipe ($B$, where $B > A$): $\text{Time} = \frac{A \times B}{B - A}$
Example Q: Inlet fills tank in 6 hours; drain empties it in 10 hours.
✅ Solution: $\frac{6 \times 10}{10 - 6} = \frac{60}{4} = \mathbf{15\text{ hours}}$ to fill.
✅ Solution: $\frac{6 \times 10}{10 - 6} = \frac{60}{4} = \mathbf{15\text{ hours}}$ to fill.
Worker Leaving Midway: Calculate fraction done: $\frac{t_1}{A} + \frac{t_2}{B} = 1$.
Example Q: A works alone for 2 hours on a 6-hour job (does $\frac{2}{6} = \frac{1}{3}$). B finishes the remaining $\frac{2}{3}$. If B takes 9 hours for the full job, B needs $\frac{2}{3} \times 9 = \mathbf{6\text{ hours}}$.
2. Age & Ratio Problems
Constant Age Difference Law: The difference between two people's ages never changes over time ($A_1 - B_1 = A_2 - B_2$).
Shift Rule: If shifting $N$ years into the future or past, add or subtract $N$ from both people.
Backsolving Shortcut: Test Option B or C directly against the problem's conditions. If Option B is too small, test Option C or D.
Example: "Mother is 4 times as old as son. In 20 years, she will be twice as old." Son is $x$, mother is $4x$. In 20 years: $4x + 20 = 2(x + 20) \Rightarrow 2x = 20 \Rightarrow x = 10$.
3. Successive Discounts, Markup & Original Price
Single Equivalent Discount Multiplier: $d_{\text{equiv}} = 1 - (1 - d_1)(1 - d_2)$
Example: Successive discounts of $20\%$ and $10\% \Rightarrow 0.80 \times 0.90 = 0.72 \Rightarrow 100\% - 72\% = \mathbf{28\%}$ single discount.
Finding Original Price Before Discount: $\text{Original Price} = \frac{\text{Sale Price}}{1 - d}$
Example: Item bought for $\$1,440$ at a $20\%$ discount $\Rightarrow \$1,440 \div 0.80 = \mathbf{\$1,800}$.
Simple Interest Formula: $I = P \times r \times t$ (where $t$ is strictly in years; if months, use $\frac{m}{12}$).
4. Mixture & Solution Concentration
Mixture Balance Equation: $C_1 V_1 + C_2 V_2 = C_f(V_1 + V_2)$
Pure Water Addition: Concentration $= 0\%$.
Pure Alcohol / Salt / Acid Addition: Concentration $= 100\%$.
Example: Adding $2\text{ L}$ of pure water ($0\%$) to $8\text{ L}$ of $50\%$ alcohol $\Rightarrow 0(2) + 0.50(8) = C_f(10) \Rightarrow 4 = 10 C_f \Rightarrow C_f = \mathbf{40\%}$.
5. Distance, Rate, Time & Average Speed
Basic Formula: $D = R \times T \iff T = \frac{D}{R}$
Opposite Directions (Moving Apart or Toward Each Other): Combined Speed $= R_1 + R_2$
Same Direction (Overtaking / Chasing): Relative Catch-Up Speed $= R_2 - R_1$
Harmonic Mean for Round Trip (Equal Distances): $V_{\text{avg}} = \frac{2 \times v_1 \times v_2}{v_1 + v_2}$ (Trap: Never use simple average $\frac{v_1 + v_2}{2}$!).
Example: Going at $40\text{ km/h}$ and returning at $60\text{ km/h} \Rightarrow \frac{2(40)(60)}{40 + 60} = \frac{4800}{100} = \mathbf{48\text{ km/h}}$ (NOT $50\text{ km/h}$).
6. Fast Mental Math: Number Series, Fractions & Triples
Butterfly Cross-Multiplication for Fractions: Compare two fractions in 3 seconds without common denominators.
Example Q: Which is larger: $\frac{5}{8}$ or $\frac{7}{11}$?
✅ Cross-multiply: $5 \times 11 = 55$ vs $8 \times 7 = 56$. Since $55 < 56$, $\frac{\mathbf{7}}{\mathbf{11}}$ is larger.
✅ Cross-multiply: $5 \times 11 = 55$ vs $8 \times 7 = 56$. Since $55 < 56$, $\frac{\mathbf{7}}{\mathbf{11}}$ is larger.
Number Series Second Differences: If consecutive differences are not constant, check the differences of the differences.
Example Q: Find the next number in the series: $3, 7, 13, 21, 31, \dots$
✅ 1st differences: $+4, +6, +8, +10$ (growing by $+2$). Next step is $+12 \Rightarrow 31 + 12 = \mathbf{43}$.
✅ 1st differences: $+4, +6, +8, +10$ (growing by $+2$). Next step is $+12 \Rightarrow 31 + 12 = \mathbf{43}$.
Alternating Interleaved Series: Two distinct patterns alternating at odd and even indices.
Example Q: $2, 50, 4, 45, 6, 40, \dots$
✅ Pattern: Odds: $2, 4, 6 ightarrow \mathbf{8}$; Evens: $50, 45, 40 ightarrow \mathbf{35}$.
✅ Pattern: Odds: $2, 4, 6 ightarrow \mathbf{8}$; Evens: $50, 45, 40 ightarrow \mathbf{35}$.
No-Calculator Pythagorean Triples: Memorize the base right-triangle integer sides: $(3, 4, 5)$, $(5, 12, 13)$, $(7, 24, 25)$, $(8, 15, 17)$, $(9, 40, 41)$.
Example Q: A rectangular government lot has a length of $24\text{ m}$ and a diagonal of $25\text{ m}$. What is the width?
✅ Shortcut: Matches the $(7, 24, 25)$ triple directly $\Rightarrow \text{Width} = \mathbf{7\text{ m}}$ (no manual square root required!).
✅ Shortcut: Matches the $(7, 24, 25)$ triple directly $\Rightarrow \text{Width} = \mathbf{7\text{ m}}$ (no manual square root required!).
1. (Work Problem) Pipe A can fill a reservoir in 6 hours, while Pipe B can empty it in 10 hours. If both pipes are opened simultaneously when the reservoir is empty, how many hours will it take to fill the reservoir?
Answer: 15 hours — Apply the inlet-drain shortcut: $\text{Time} = \frac{A \times B}{B - A} = \frac{6 \times 10}{10 - 6} = \frac{60}{4} = 15$ hours.
2. (Successive Discount) A department store offers successive discounts of 20% and 15% on a leather jacket. What is the single equivalent discount?
Answer: 32% — Use the multiplier method: $0.80 \times 0.85 = 0.68$. Subtract from $100\%: 1.00 - 0.68 = 0.32 = \mathbf{32\%}$. (Trap: Never add $20\% + 15\% = 35\%$).
3. (Age Problem) Five years ago, Maria was twice as old as Juan. If the sum of their present ages is 43, how old is Maria today?
Answer: 27 years old — Five years ago, the sum of their ages was $43 - 5 - 5 = 33$. Since Maria was twice as old as Juan ($2 : 1$), Juan was $33 \div 3 = 11$, and Maria was $22$. Today, Maria is $22 + 5 = \mathbf{27}$ (and Juan is $11 + 5 = 16$; $27 + 16 = 43$).
4. (Average Speed) A government auditor drives to a regional office at 40 km/h and returns along the same route at 60 km/h. What was the auditor's average speed for the entire round trip?
Answer: 48 km/h — Equal-distance round trip requires Harmonic Mean: $V_{\text{avg}} = \frac{2(40)(60)}{40 + 60} = \frac{4800}{100} = \mathbf{48\text{ km/h}}$. The arithmetic average ($50\text{ km/h}$) is an engineered trap choice!
TOPIC 02
Verbal Ability (English Grammar, Usage & Organization)
📘 Definition & Scope
Tests English grammar, error recognition, subject-verb agreement, pronoun case, dangling modifiers, paragraph organization, vocabulary in context, and reading comprehension.
1. Paragraph Organization (The 15-Second Scanning Technique)
Scan Choices First: Look at the 4 options (`A, B, C, D`). Notice which sentences appear as opening candidates (e.g. if options start with Sentence 2 and Sentence 4, only evaluate those two).
Identify the Independent Topic Sentence: The opening sentence introduces the main idea and never starts with a dangling pronoun (he, she, it, they, this, these, such) or a transition word (however, therefore, consequently, moreover, finally).
Lock Chronological & Cause-Effect Pairs: Find natural pairs (first $
ightarrow$ then $
ightarrow$ lastly; or a problem followed by its direct solution). Match this pair against the remaining choices.
Worked-Out Example:
(1) These modern guidelines ensure swift resolution of citizen inquiries. (Starts with "These guidelines" ❌ Not topic sentence)
(2) The regional office issued a revised administrative manual last Monday. (Broad, independent intro ✅ Topic Sentence!)
(3) Consequently, pending backlogs dropped by forty percent. (Cause/effect result → Concluding sentence)
(4) Staff members were oriented immediately on the updated procedures. (Logical next step after issuing the manual in sentence 2)
✅ Correct Sequence: 2 — 4 — 1 — 3.
(1) These modern guidelines ensure swift resolution of citizen inquiries. (Starts with "These guidelines" ❌ Not topic sentence)
(2) The regional office issued a revised administrative manual last Monday. (Broad, independent intro ✅ Topic Sentence!)
(3) Consequently, pending backlogs dropped by forty percent. (Cause/effect result → Concluding sentence)
(4) Staff members were oriented immediately on the updated procedures. (Logical next step after issuing the manual in sentence 2)
✅ Correct Sequence: 2 — 4 — 1 — 3.
2. Subject-Verb Agreement Traps
Intervening Prepositional Phrases: Words between subject and verb do not affect number. Mentally cross out: along with, as well as, together with, in addition to, including, accompanied by, of.
Example: "The governor, along with several department heads, is (not are) attending the forum."
Correlative Conjunctions (Neither... Nor / Either... Or): Verb agrees with the closer subject.
Example: "Neither the director nor the assistants were informed." vs "Neither the assistants nor the director was informed."
Indefinite Pronouns (Always Singular): Each, everyone, everybody, someone, somebody, anyone, anybody, neither, either, one, no one take singular verbs.
Example: "Each of the provincial applicants has (not have) submitted the documents."
Fraction / Percentage of a Whole: The verb agrees with the noun in the of-phrase.
"Half of the pie was eaten." vs "Half of the pies were eaten."
3. Dangling & Misplaced Modifiers
The Comma Rule: An introductory verbal modifier (participial phrase) must be followed immediately by the noun performing that action.
❌ Incorrect: "Walking down the hall, the bulletin board caught my attention." (The board was not walking!)
✅ Correct: "Walking down the hall, I noticed the bulletin board."
4. Pronoun Cases & Who vs. Whom
Subjective (I, he, she, we, they, who): Does the action.
Objective (me, him, her, us, them, whom): Receives the action or follows a preposition (between you and me, not between you and I).
The He/Him Shortcut for Who/Whom: Rephrase the clause with he or him. If he fits, use who. If him fits (ends in $m$), use whom (ends in $m$).
Example: "The officer (who/whom) the President appointed..." $\rightarrow$ The President appointed him $\rightarrow$ use whom.
5. Philippine English Collocation Errors (Cheat Table)
| ❌ Common Philippine Error | ✅ Standard English Correction | Grammar Reason |
|---|---|---|
| cope up with | cope with | The idiom is simply "cope with"; "up" is redundant. |
| result to | result in (cause) / from (effect) | Actions result in consequences; outcomes result from causes. |
| discuss about | discuss | "Discuss" is transitive; do not place "about" after it. |
| irregardless | regardless | "Irregardless" is non-standard double negative. |
| congratulate for | congratulate on | Standard idiom: congratulate a person on an achievement. |
| fill up this form | fill out this form | "Fill up" means to fill a container with liquid; forms are "filled out". |
1. Choose the sentence that is grammatically correct:
Answer: "The committee, as well as the regional directors, has approved the revised guidelines." — The subject is "committee" (singular). The intervening phrase "as well as the regional directors" does not make the subject plural. Singular verb "has" is correct.
2. Identify the error in the sentence: "Neither the supervisor nor the newly hired clerks (A) was aware (B) of the procedural changes (C) announced yesterday (D)."
Answer: (A) was aware — In correlative conjunctions (*neither... nor*), the verb agrees with the closer subject. Since "clerks" is plural, the verb must be plural: were aware.
3. Which pronoun correctly completes the sentence: "The executive secretary gave the revised schedule to Juan and _____." (I / me / myself)
Answer: me — The pronoun is the object of the preposition "to". Test by removing "Juan and": you would say "gave the schedule to me", never "to I".
4. (Analogy) CANDID : FRANK :: METICULOUS : _____
Answer: PAINSTAKING (or CAREFUL) — Candid and frank are exact synonyms. Meticulous means showing great attention to detail, so its synonym is painstaking or thorough.
TOPIC 03
Verbal Ability (Filipino: Wastong Gamit, Sawikain & Talasalitaan)
📘 Katuturan at Saklaw
Sumusuri sa wastong gamit ng mga salita sa balarila (ng/nang, din/rin, pahirin/pahiran), sawikain (mga idyoma), talasalitaan (kasingkahulugan at kasalungat), at pag-unawa sa binasang talata.
1. Ng vs. Nang (Pinakamadalas Lumabas sa Exam)
Gamit ng "NG":
Sumasagot sa tanong na ano o nino (Pananda ng tuwirang layon / tagaganap). Halimbawa: Bumili siya ng sapatos. Pasyal ng pamilya.
Bilang pang-ukol na katumbas ng of sa Ingles. Halimbawa: Pangulo ng Pilipinas.
Gamit ng "NANG":
Sumasagot sa tanong na paano o gaano (Pang-abay na pamaraan/panggaano). Halimbawa: Tumakbo siya nang mabilis. Natulog nang walong oras.
Katumbas ng "noong" (when) o "upang/para" (so that). Halimbawa: Nang dumating ang pangulo... Mag-aral nang makapasa.
Sa pagitan ng inuulit na pandiwa. Halimbawa: Iyak nang iyak, lakad nang lakad.
2. Din/Daw/Dito/Doon vs. Rin/Raw/Rito/Roon
Din, Daw, Dito, Doon: Ginagamit kung ang sinusundang salita ay nagtatapos sa katinig (consonant), maliban sa w at y.
Halimbawa: Kumain din siya. Malinis daw ang silid. Bakit dito?
Rin, Raw, Rito, Roon: Ginagamit kung ang sinusundang salita ay nagtatapos sa patinig ($a, e, i, o, u$) o malapatinig ($w, y$).
Halimbawa: Ikaw raw. Masaya rin. Bahay rito. Tayo roon.
3. Pahirin vs. Pahiran & Subukin vs. Subukan
Pahirin (punasan para maalis): Pag-aalis ng dumi, luha, o bagay sa ibabaw.
Halimbawa: Pahirin mo ang pawis sa iyong noo.
Pahiran (lagyan): Paglalagay o pagpapahid ng bagay sa isang lugar.
Halimbawa: Pahiran mo ng mantikilya ang tinapay.
Subukin (to test / evaluate): Pagsusuri sa husay, tibay, o katapatan ng tao o bagay.
Halimbawa: Subukin natin ang tibay ng tulay.
Subukan (to spy on / secretly watch): Palihim na pagmamanman o paniniktik.
Halimbawa: Subukan mo kung saan siya pupunta pagkatapos ng klase.
4. Kina vs. Kay & May vs. Mayroon
Kina: Maramihan (pangkat o pamilya). Walang salitang kina Juan kung isa lang ang tinutukoy (gamitin ang kay Juan).
Halimbawa: Pumunta kami kina Aling Nena (sa tahanan nina Aling Nena).
May: Ginagamit kapag sinusundan agad ng pangngalan, pandiwa, o pang-uri.
Halimbawa: May pera siya. May darating na bisita.
Mayroon: Ginagamit kapag sinusundan ng kataga (ba, nga, daw), panghalip panao, o panagot sa tanong.
Halimbawa: Mayroon bang pagkain? Mayroon kaming kopya. May sulat ba? Mayroon.
5. Talaan ng mga Sawikaing Madalas Lumabas (Idioms Table)
Nagbibilang ng poste
Walang trabaho (unemployed)
Halimbawa: Anim na buwan nang nagbibilang ng poste si Carlo bago nakapasa sa CSE.
Bukas ang palad
Matulungin o mapagbigay (generous)
Halimbawa: Bukas ang palad ng alkalde sa mga nasalanta ng bagyo.
Balat-sibuyas
Maramdamin; madaling masaktan (sensitive)
Halimbawa: Huwag mo siyang biruin dahil balat-sibuyas siya.
Di-maliparang uwak
Napakalawak na lupain (vast area)
Halimbawa: Di-maliparang uwak ang hacienda ng kanilang pamilya.
Butas ang bulsa
Walang pera (broke)
Halimbawa: Hindi siya makasama sa salu-salo dahil butas ang bulsa.
Ilista sa tubig
Kalimutan na ang utang (forget a debt)
Halimbawa: Inilista na lamang sa tubig ang perang hiniram ng kanyang kaibigan.
Kapilas ng buhay
Asawa (spouse)
Halimbawa: Dumalo siya sa pagtitipon kasama ang kanyang kapilas ng buhay.
Tengang-kawali
Nagbibingi-bingihan (feigning deafness)
Halimbawa: Huwag kang magtengang-kawali kapag tinatawag ka ng iyong ina.
Halimbawang Tanong: Ano ang kahulugan kapag sinabing "Bukas ang palad ng punong-bayan sa mga nasalanta ng kalamidad"?
✅ Kahulugan: Matulungin, mapagkalinga, o mapagbigay sa kapwa.
✅ Kahulugan: Matulungin, mapagkalinga, o mapagbigay sa kapwa.
1. Piliin ang wastong salita: "Nag-aral siya nang mabuti _____ makamit ang mataas na marka sa pagsusulit." (ng / nang / upang)
Sagot: nang (o upang) — Ang "nang" ay ginagamit bilang kasingkahulugan ng "upang" o "para" (so that) sa pagpapahayag ng layunin o bunga.
2. Piliin ang wastong gamit ng salita: "_____ mo ang mantikilya sa bagong lutong pandesal." (Pahirin / Pahiran)
Sagot: Pahiran — Ang "pahiran" ay nangangahulugang paglalagay ng bagay sa ibabaw, samantalang ang "pahirin" ay pag-aalis o pagpupunas ng dumi o likido.
3. Ano ang kahulugan ng sawikaing: "Kusang-palo ang ipinamalas ng bagong kawani ng pamahalaan."
Sagot: May pagkukusa at sariling sipag kahit hindi inuutusan — Ang "kusang-palo" ay tumutukoy sa katangian ng pagiging masipag at maagap nang kusa.
TOPIC 04
Analytical Ability (Professional Level — 80% Failure Bottleneck)
📘 Definition & Scope
Exclusive to the Professional level. Tests logical syllogisms, Venn diagram deduction, identifying assumptions vs. conclusions, conditional statements, seating arrangements, compass direction walks, and data interpretation from charts.
1. Syllogisms & Venn Diagram Overlaps
All A are B: Set $A$ is entirely inside Set $B$ ($A \subset B$).
No A are B: Sets $A$ and $B$ are completely disjoint ($A \cap B = \emptyset$).
Some A are B: Overlapping region between $A$ and $B$ has at least 1 member.
The "Some" Trap (#1 Exam Trick): If "Some A are B" and "Some B are C", it is NOT valid to conclude that "Some A are C". The two subsets may reside in completely separate parts of $B$!
Example Q: Statements: "Some accountants are public auditors. Some public auditors are lawyers."
❌ Invalid Trap Conclusion: "Some accountants are lawyers." (Unproven; the accountant auditors and lawyer auditors might be totally different people).
✅ Valid Conclusion: "It cannot be determined whether any accountants are lawyers."
❌ Invalid Trap Conclusion: "Some accountants are lawyers." (Unproven; the accountant auditors and lawyer auditors might be totally different people).
✅ Valid Conclusion: "It cannot be determined whether any accountants are lawyers."
2. Conditional Logic: Valid Inferences vs. Fallacies
Original Conditional: If $P$, then $Q$ ($P \Rightarrow Q$).
Modus Ponens (Valid): $P$ happens $\Rightarrow Q$ must happen.
Contrapositive / Modus Tollens (Valid): $\text{NOT } Q \Rightarrow \text{NOT } P$. (The contrapositive always shares the truth value of the original).
Fallacy of Affirming the Consequent (Invalid): $Q$ happens $\nRightarrow P$ happened.
Example: "If it rains, the grass is wet." The grass is wet $\nRightarrow$ it rained (the sprinkler might have run!).
Fallacy of Denying the Antecedent (Invalid): $\text{NOT } P \nRightarrow \text{NOT } Q$.
3. Identifying Assumptions vs. Conclusions
Assumption (Unstated Foundation): An unmentioned premise that must be true for the author's argument to stand.
The Negation Test: To verify an assumption choice, negate it (state the opposite). If negating the statement destroys the argument, it is an essential assumption!
Example: Statement: "The government agency must install solar panels to eliminate power outage downtime."
✅ Necessary Assumption: "The power outages in the agency are due to external grid failures, not internal building wiring defects." (If internal wiring is broken, solar panels won't help; negating kills the conclusion!).
✅ Necessary Assumption: "The power outages in the agency are due to external grid failures, not internal building wiring defects." (If internal wiring is broken, solar panels won't help; negating kills the conclusion!).
Conclusion (Direct Consequence): A statement strictly guaranteed by the provided facts. Never bring outside world facts or opinions into conclusion items.
Example Q: Fact: "All employees in Division 4 passed the compliance test." Conclusion: "Maria, who works in Division 4, passed the compliance test." ✅ Valid.
4. Seating Arrangements & Direction Compass Walks
Sketch Immediately: Never solve 6-person seating arrangements or walking paths in your head. Immediately sketch lines or circles on scratch paper.
Seating Example: Five officials sit in a row: A, B, C, D, E. C sits in the exact middle. A sits immediately to the left of C. B sits at the extreme right.
✅ Order: `[D/E] — [A] — [C] — [E/D] — [B]`.
✅ Order: `[D/E] — [A] — [C] — [E/D] — [B]`.
Circular Table Facing Center: A person's "Left" is clockwise; "Right" is counter-clockwise.
Cardinal & Intercardinal Directions: North ($0^\circ$), East ($90^\circ$), South ($180^\circ$), West ($270^\circ$). Turning right from West faces North; turning left from South faces East.
Compass Walk Example: An officer walks $6\text{ km}$ North, turns right ($90^\circ$ East), and walks $8\text{ km}$.
✅ Distance from Start: Right triangle legs $6$ and $8 \Rightarrow d = \sqrt{6^2 + 8^2} = \mathbf{10\text{ km}}$ Northeast.
✅ Distance from Start: Right triangle legs $6$ and $8 \Rightarrow d = \sqrt{6^2 + 8^2} = \mathbf{10\text{ km}}$ Northeast.
1. Statements: "All civil servants are public trustees. Some public trustees are lawyers." Which conclusion logically follows?
Answer: None of the above (or: "It cannot be determined whether any civil servants are lawyers") — This is the classic "Some B are C" trap. Although some public trustees are lawyers, those lawyers might be completely outside the circle of civil servants.
2. Statement: "If an applicant passes the examination, they will receive an eligibility certificate." Which is the logically valid contrapositive?
Answer: "If an applicant does not receive an eligibility certificate, they did not pass the examination." — Contrapositive of $P \Rightarrow Q$ is strictly $\text{NOT } Q \Rightarrow \text{NOT } P$.
3. A surveyor walks 6 km North, turns right and walks 8 km East. How far is the surveyor from the starting point?
Answer: 10 km — The path forms a right triangle with legs $6$ and $8$. By Pythagorean triple ($3-4-5$ scaled by 2): $d = \sqrt{6^2 + 8^2} = \sqrt{36 + 64} = \sqrt{100} = \mathbf{10\text{ km}}$.
TOPIC 05
General Information (R.A. 6713, 1987 Constitution & Environment)
📘 Definition & Scope
High-speed "bankable" points testing Republic Act No. 6713 (Code of Conduct), the 1987 Philippine Constitution, key Environmental Laws, and Peace & Human Rights concepts.
1. R.A. 6713 (Code of Conduct and Ethical Standards for Public Officials)
The 8 Norms of Conduct (Section 4):
1. Commitment to Public Interest: Public interest always above personal interest; avoiding misuse of government resources.
2. Professionalism: Highest degree of excellence, dedication, and intelligence.
3. Justness and Sincerity: True to the people; no discrimination; no dispensation of undue favors.
4. Political Neutrality: Service without bias to any political party or candidate.
5. Responsiveness to the Public: Prompt, courteous, adequate service; anti-red tape.
6. Nationalism and Patriotism: Loyalty to the Republic and people; preference for Philippine-made products.
7. Commitment to Democracy: Upholding the Constitution; civilian supremacy over the military.
8. Simple Living: Modest lifestyle proportional to legitimate income; no ostentatious displays of wealth.
Example Scenario: A bureau director wears multi-million peso jewelry and purchases three sports cars inconsistent with their government salary grade.
✅ Violation: Section 4(h) — Norm of Simple Living.
✅ Violation: Section 4(h) — Norm of Simple Living.
Crucial Deadlines & Filing Rules:
15 WORKING DAYS: Mandatory period to respond to letters, telegrams, or requests from the public (Trap: NOT calendar days!).
Example Q: A citizen files a formal inquiry on Monday, October 5.
✅ Rule: The agency must reply within 15 official working days, skipping all Saturdays, Sundays, and national holidays.
✅ Rule: The agency must reply within 15 official working days, skipping all Saturdays, Sundays, and national holidays.
SALN Filing Deadlines: (1) Within 30 days after assumption of office; (2) On or before April 30 of every year; (3) Within 30 days after separation from service.
Coverage: Applies to all officials and employees in government (permanent, temporary, contractual, career, non-career, elective, appointive, with or without compensation).
2. The 1987 Philippine Constitution (Core Articles)
Article II (Declaration of Principles & State Policies): Civilian authority is at all times supreme over the military; separation of Church and State is inviolable; right to a balanced and healthful ecology.
Article III (Bill of Rights):
Search Warrant / Warrant of Arrest: Issued strictly upon probable cause determined personally by a JUDGE (never by police, prosecutors, or mayors).
Example Q: A law enforcement officer conducts a search without a warrant, stating they received a confidential tip.
✅ Rule: Any seized items are inadmissible in court under the exclusionary rule ("fruit of the poisonous tree"). A warrant must be issued by a Judge.
✅ Rule: Any seized items are inadmissible in court under the exclusionary rule ("fruit of the poisonous tree"). A warrant must be issued by a Judge.
Writ of Habeas Corpus: Remedy against unlawful detention; may be suspended by the President only in cases of invasion or rebellion, when public safety requires it.
Three Branches of Government & Terms:
Executive (President & VP): 6-year term; President is not eligible for reelection. Natural-born citizen, registered voter, literate, 40+ years old on election day, resident for 10+ years.
Legislative (Senate & House): Senate has 24 members (6-year term, max 2 consecutive terms, 35+ years old). House of Representatives has 3-year terms, max 3 consecutive terms (25+ years old).
Judicial (Supreme Court): 1 Chief Justice + 14 Associate Justices. Appointed by the President from JBC shortlist; serve during good behavior until age 70.
Article XI (Accountability of Public Officers & Impeachment):
"Public office is a public trust."
House of Representatives: Has the EXCLUSIVE power to initiate impeachment cases.
Senate: Has the SOLE power to try and decide impeachment cases (requires two-thirds (2/3) vote of all Senators to convict).
Example Q: Can the Senate initiate an impeachment complaint against the Chief Justice?
❌ No! The House of Representatives has the exclusive power to initiate; the Senate acts solely as the trial court.
❌ No! The House of Representatives has the exclusive power to initiate; the Senate acts solely as the trial court.
Article IX (Constitutional Commissions): Civil Service Commission (CSC), Commission on Elections (COMELEC), Commission on Audit (COA). 7-year term without reappointment; staggered appointments.
3. Chronological Environmental Laws Anchor
Chronological Law Anchor: Memorize by order of enactment year:
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| Republic Act | Year | Title & Focus Area | Key Features to Remember |
|---|---|---|---|
| RA 6969 | 1990 | Toxic Substances & Hazardous/Nuclear Wastes | Regulates import, manufacture, disposal of toxic chemical substances. |
| RA 8749 | 1999 | Philippine Clean Air Act | Comprehensive air pollution management; ban on municipal waste incineration. |
| RA 9003 | 2000 | Ecological Solid Waste Management | Segregation at source; 3Rs (Reduce, Reuse, Recycle); Materials Recovery Facilities (MRF). |
| RA 9275 | 2004 | Philippine Clean Water Act | Protection of water bodies from industrial, domestic, agricultural effluents. |
| RA 9729 | 2009 | Climate Change Act | Mainstreaming climate change into government policies; establishes Climate Change Commission. |
Mnemonic / Exam Question: "Which environmental law created the Materials Recovery Facility (MRF) mandate in the Philippines?"
✅ Answer: Republic Act No. 9003 (Solid Waste Management Act of 2000).
✅ Answer: Republic Act No. 9003 (Solid Waste Management Act of 2000).
1. Under R.A. 6713, public officials and employees must respond to letters, telegrams, or other communications sent by the public within how many days?
Answer: 15 working days — Section 5(a) of RA 6713 strictly mandates 15 working days from receipt to reply. Watch out for options that say "15 calendar days" or "30 days"—they are deliberate traps!
2. Which body has the exclusive authority under the 1987 Philippine Constitution to initiate all cases of impeachment?
Answer: House of Representatives — Article XI, Section 3(1) states that the House of Representatives has the exclusive power to initiate impeachment, while the Senate has the sole power to try and decide.
3. Which Philippine law mandates waste segregation at source and the establishment of Materials Recovery Facilities (MRFs) in every barangay or cluster of barangays?
Answer: Republic Act No. 9003 — The Ecological Solid Waste Management Act of 2000 mandates systematic ecological solid waste management and local MRF facilities.
TOPIC 06
Clerical Operations (Sub-Professional Level Only)
📘 Definition & Scope
Exclusive to the Sub-Professional level. Tests standard alphabetical filing rules, indexing order, perceptual speed and accuracy (matching names and numbers), and government office correspondence spelling.
1. Standard Alphabetical Indexing of Names
Order of Indexing Units for Individual Names:
Unit 1: Surname (Last Name)
Unit 2: Given Name (First Name)
Unit 3: Middle Name or Middle Initial
Unit 4: Suffix or Title (Jr., Sr., III, M.D., Ph.D.)
Example: "Dr. Juan Carlos M. De La Cruz, Jr." is filed as:
Unit 1: DELACRUZ | Unit 2: JUAN | Unit 3: CARLOS | Unit 4: M | Unit 5: JR (or DR)
Compound Surnames & Prefixes: Prefixes like De, De La, Del, San, Santa, St., Mac, Mc, Van, Von are indexed as one combined unit with the surname, ignoring spaces and apostrophes.
San Jose is filed as SANJOSE; De La Rosa is filed as DELAROSA.
"Nothing Comes Before Something": A shorter name precedes a longer name that begins with the same letters.
Example: Santos, J. comes before Santos, Juan; and Santos, Juan comes before Santos, Juanito.
2. Government Agencies & Business Name Filing
Government Agency Hierarchy: Always index by the governing jurisdiction first.
Department of Education is indexed as: Philippines, Republic of the - Education, Department of.
City Government of Manila is indexed as: Manila, City of.
Business / Company Names: Index words in order as written, unless the company name contains an individual's full name.
Juan Santos Trucking Service is indexed as: SANTOS, JUAN, TRUCKING, SERVICE.
Apex Hardware Company is indexed as: APEX, HARDWARE, COMPANY.
Alphabetical Filing Example Q: Arrange the four files in proper order:
(1) Santos, Ana | (2) Santos, A. | (3) San Juan, Mario | (4) Del Rosario, Carlo
✅ Correct Order: (4) `DELROSARIO, CARLO` → (3) `SANJUAN, MARIO` → (2) `SANTOS, A.` → (1) `SANTOS, ANA` (Unit 1 prefixes are combined without space; shorter name precedes longer).
(1) Santos, Ana | (2) Santos, A. | (3) San Juan, Mario | (4) Del Rosario, Carlo
✅ Correct Order: (4) `DELROSARIO, CARLO` → (3) `SANJUAN, MARIO` → (2) `SANTOS, A.` → (1) `SANTOS, ANA` (Unit 1 prefixes are combined without space; shorter name precedes longer).
3. Commonly Misspelled Business & Government Words
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| Correct Spelling | ❌ Common Misspelling Trap | Memory Tip |
|---|---|---|
| Accommodate | Acommodate / Accomodate | Two C's and two M's (ac-com-mo-date). |
| Occurrence | Occurence / Ocurrence | Two C's and two R's (oc-cur-rence). |
| Liaison | Liason / Liasion | Notice the second 'i' (l-i-a-i-s-o-n). |
| Subpoena | Subpena / Supoena | Has an 'oe' pair (s-u-b-p-o-e-n-a). |
| Privilege | Privelege / Priviledge | No 'd'; ends in -lege (p-r-i-v-i-l-e-g-e). |
| Questionnaire | Questionaire | Double 'n' before -aire (question-n-aire). |
| Prerequisite | Prerequisit / Pre-requisite | No double 'r'; written as one solid word. |
| Supersede | Supercede | Ends in -sede with an 's', not 'c'. |
1. Which name should be filed third in standard alphabetical filing order?
Answer: Santos, Maria L. — Compare alphabetically unit by unit: (1) Santos, Ana; (2) Santos, Maria; (3) Santos, Maria L.; (4) Santos, Maria Luisa. The rule "nothing comes before something" determines that initials precede full subsequent words.
2. How should the company "Dr. Roberto Cruz Dental Clinic" be correctly indexed for filing?
Answer: CRUZ, ROBERTO, DENTAL, CLINIC, DR. — Business names that include an individual's personal name are inverted so the surname is Unit 1, followed by first name, business description, and title.