Cheat sheet

JCF Entrance Exam Cheat Sheet

Mathematics & Numeracy

Not publishedof exam

ArithmeticFractionsPercentagesWord ProblemsBasic Algebra

Spelling

Not publishedof exam

Commonly MisspelledDouble Lettersi-before-e RuleSilent Letters

Grammar & Word Usage

Not publishedof exam

Subject-Verb AgreementAffect vs EffectPunctuationPronouns

Reading Comprehension

Not publishedof exam

Main IdeaDetailInferenceCause-Effect

Vocabulary

Not publishedof exam

Police VocabularyLegal VocabularySynonymsAntonyms

Verbal & Logical Reasoning

Not publishedof exam

AnalogiesSeriesDeductionOdd One Out

Jamaica General Knowledge

Not publishedof exam

Capital & IndependenceParishesNational SymbolsJCF Role

Quick Facts

Exam
JCF Entrance Examination
Body
Jamaica Constabulary Force
Format
Written aptitude paper
Sections
Math, English, GK, reasoning
Questions
Not published
Time limit
Not published
Pass mark
Not published
Level
Recruit entrance stage

Order Of Operations

Brackets, powers, then multiply/divide, then add/subtract

Brackets firstPowers nextLeft to right after

Ratio vs Percentage

Ratio

  • Compares parts directly
  • Written like 5:3
  • Whole number parts

Percentage

  • Out of one hundred
  • Written like 25%
  • Decimal based value

Parts vs per-hundred

Math Approach Picker

  1. See percent of numberMultiply by decimal form
  2. See rate per unitDivide total by units
  3. See ratio shared amountSplit into total parts
  4. See distance and timeSpeed equals distance/time
  5. See length and widthArea equals length times width
  6. See a discount percentSubtract percent from price

Core Arithmetic

Multiplication tables
Memorize through 12
Squares
Number times itself
Order of operations
Brackets, powers, then left-right
Rounding
Check the next digit
Addition/subtraction speed
Practice without a calculator
Place value
Ones, tens, hundreds, thousands

Fractions & Percentages

Simplify fraction
Divide by greatest common factor
Add fractions
Match denominators first
Fraction to percent
Divide top by bottom
Percent of number
Multiply by the decimal
Percent discount
Subtract discount from price
Ratio split
Divide total by parts

Word Problem Formulas

Change due
Payment minus cost
Unit rate
Total divided by units
Speed formula
Distance divided by time
Area formula
Length times width
Time elapsed
Count hours across midnight
Solve for x
Isolate x, balance sides

I Before E Rule

I before E, except after C

Receive: e before iBelieve: no c presentWeird: breaks the rule

Commonly Misspelled Words

Definitely
Contains 'finite', not 'finate'
Receive
e before i after c
Occurred
Doubles the r
Witness
One t, double s
Separate
Has 'a rat' inside
Accommodate
Double c, double m
Government
Keep the n, then ment
Knowledge
Silent d before final ge

Spelling Rules

i before e rule
Except right after c
Double consonant rule
Before -ed with short vowel
-ence vs -ance
No fixed rule, memorize
Silent letters
Government, knowledge keep them

Affect vs Effect Memory Aid

A is for Action, E is for End result

Affect: action verbEffect: end result noun

Affect vs Effect

Affect

  • Verb
  • Means to influence
  • Affects your mood

Effect

  • Noun
  • Means a result
  • Side effect noted

Verb vs noun

Grammar Fix Picker

  1. Subject is singularUse a singular verb
  2. See neither...nor subjectMatch the nearer subject
  3. Pronoun follows prepositionUse object pronoun 'me'
  4. Describing a resultUse the noun effect
  5. Describing an actionUse the verb affect
  6. Reporting direct speechAdd comma and quotation marks

Grammar & Usage Rules

Singular subject
Takes a singular verb
Each/every
Always singular verb
Neither...nor
Verb matches nearer subject
Don't vs doesn't
Doesn't for he/she/it
Affect
Verb meaning to influence
Effect
Noun meaning a result
Who vs whom
Who subject, whom object

There vs Their

There

  • Shows a place
  • Over there
  • Points to location

Their

  • Shows possession
  • Their car
  • Belongs to them

Place vs ownership

Punctuation & Pronouns

Direct speech
Comma, then quotation marks
Quoted sentence
Capitalize the first word
Object pronoun
Use me after preposition
Double negative
Avoid don't and no
There/their/they're
Place, owns, or 'they are'

Main Idea vs Detail

Main Idea

  • Overall passage point
  • Covers whole passage
  • Broad summary

Detail

  • One specific fact
  • One sentence only
  • Supports main idea

Whole vs part

Comprehension Question Types

Main idea
Overall point of passage
Detail
One stated fact
Inference
Meaning implied, not stated
Cause and effect
Why something happened
Vocabulary in context
Meaning from surrounding clues
Sequence
Order events happened

Guilty vs Innocent

Guilty

  • Did wrong
  • Convicted
  • Blameworthy

Innocent

  • Not guilty
  • Cleared
  • Blameless

Direct antonym pair

Apprehend vs Detain

Apprehend

  • Formal arrest
  • Take into custody
  • Longer process

Detain

  • Hold briefly
  • Temporary custody
  • Shorter process

Arrest vs hold

Synonyms & Antonyms

Guilty
Antonym is innocent
Hostile
Synonym is aggressive
Reckless
Synonym is careless
Agitated
Synonym is upset
Vigilant
Antonym is careless
Convicted
Close in meaning to guilty

All vs Some

All

  • Every single member
  • Universal claim
  • No exceptions allowed

Some

  • At least one
  • Partial claim
  • Not everyone included

Universal vs partial claim

Reasoning Question Picker

  1. Numbers follow a patternFind the common difference
  2. Letters skip a patternCount the skip interval
  3. Two words are comparedMatch their relationship type
  4. One item seems differentIdentify the odd one out
  5. All or some claim givenCheck the claim's scope
  6. Order given by cluesRank items by clues

Series, Analogies & Logic

Arithmetic sequence
Add same number each time
Geometric sequence
Multiply by same number
Letter series
Count the skip pattern
Odd one out
Find the non-matching item
Analogy
Match the same relationship
All vs some
All means every case

Jamaica Symbols Recall

Doctor Bird flies, Lignum Vitae grows, Ackee feeds

Bird: Doctor BirdFlower: Lignum VitaeTree: Blue MahoeFruit: Ackee

Jamaica Quick Facts

Capital
Kingston
Independence
August 6, 1962
Currency
Jamaican dollar (JMD)
Parishes
14 total parishes
Counties
Cornwall, Middlesex, Surrey
Motto
Out of Many, One People

National Symbols

National bird
Doctor Bird hummingbird
National flower
Lignum Vitae
National tree
Blue Mahoe
National fruit
Ackee
National dish
Ackee and saltfish
Flag colors
Black, green, and gold

Common Traps

Affect ≠ Effect

Affect is a verb Effect is a noun

There ≠ Their

There shows a place Their shows possession

Ratio ≠ Percentage

Ratio compares parts directly Percent is out of 100

Detain ≠ Apprehend

Detain is a temporary hold Apprehend means formal arrest

All ≠ Some

All means every case Some means at least one

Main Idea ≠ Detail

Main idea is overall point Detail is one specific fact

Guilty ≠ Innocent

Guilty means did wrong Innocent means not guilty

Last Minute

  1. 1.Domain weights are not published
  2. 2.Math is arithmetic, fractions, ratios, algebra
  3. 3.Spelling: double letters, i-before-e rule
  4. 4.Grammar: subject-verb agreement, affect vs effect
  5. 5.Comprehension: main idea versus supporting detail
  6. 6.Vocabulary: policing and legal terms
  7. 7.Reasoning: analogies, series, and deduction
  8. 8.General knowledge: Kingston, 1962, 14 parishes
  9. 9.Symbols: Doctor Bird, Lignum Vitae, Ackee
  10. 10.Bring valid ID to testing
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