Cheat sheet

EDPT Cheat Sheet

Number Sequences

Not publishedof exam

Series CompletionPattern RecognitionMathematical ProgressionsSequence Strategy

Arithmetic Reasoning

Not publishedof exam

Word ProblemsPercentage CalculationsRatio ProblemsAlgebraic Reasoning

Verbal Reasoning

Not publishedof exam

Word AnalogiesVerbal DeductionsAntonym PairsReading Inference

Figural Reasoning

Not publishedof exam

Spatial ReasoningShape SequencesMatrix PatternsPattern Matching

Logical Analysis

Not publishedof exam

Conditional LogicSyllogismsTruth TablesValid Conclusions

Quick Facts

Exam
EDPT
Full name
Electronic Data Processing Test
Owner
Air Force and Marine Corps
Questions
120 multiple-choice
Time limit
90 minutes total
Pace
45 seconds per question
Pass score
57 to 71+ by AFSC
Pass rate
About 10 percent
Format
Paper-based, no calculator
Level
MEPS aptitude screen

Sequence Check Order

Differences, then ratios, then special series.

Differences firstRatios secondSpecial series third

Arithmetic vs Geometric

Arithmetic

  • Adds constant
  • Linear growth
  • Constant differences

Geometric

  • Multiplies constant
  • Exponential growth
  • Constant ratios

Add vs multiply

Which Pattern to Try

  1. Numbers keep growing fastTest ratios first(Geometric or exponential)
  2. Differences look constantConfirm arithmetic sequence
  3. Differences keep growingCheck second-order pattern
  4. Every term sums prior twoTry Fibonacci-style rule
  5. Alternating jumps appearSplit odd even positions
  6. Values shrink toward zeroTest halving pattern

Sequence Patterns

Arithmetic
Add same constant
Geometric
Multiply same ratio
Fibonacci
Sum prior two terms
Primes
Only divisible by itself
Perfect squares
n squared pattern
Perfect cubes
n cubed pattern
Triangular numbers
Differences increase by one
Factorial
Multiply by next integer
Second-order series
Differences increase steadily
Interleaved series
Two hidden alternating sequences
Powers of two
Double or halve term
Combo pattern
Multiply then add step

Sequence Solving Strategy

Differences first
Check constant or growing gaps
Ratios next
Check for multiplication pattern
Try special series
Squares cubes primes factorials
Split positions
Odd and even hide sequences
Alternating operations
Pattern may swap functions
Verify twice
Test rule on two terms

Time Banking Strategy

Bank seconds on easy items for the hard ones.

Easy fastHard slowNever rigid pacing

Rate vs Ratio Problems

Rate

  • Per unit time
  • Add to combine
  • Work or speed

Ratio

  • Compares two quantities
  • Cross multiply to solve
  • Proportion problems

Time-based vs quantity-based

Which Math Setup to Use

  1. Sees percent markup wordBase is wholesale not retail
  2. Two rates work togetherAdd rates, not times
  3. Ratio given with totalSet up cross proportion
  4. Two percent changes stackMultiply factors sequentially
  5. Objects move toward each otherAdd the closing speeds
  6. Overlap between two groupsSubtract double-counted overlap

Word Problem Types

Markup
Retail equals wholesale plus markup
Ratio proportion
Cross multiply to solve
Combined rate
Add individual work rates
Weighted average
Sum each times its weight
Mixture
Concentration times volume added
Closing speed
Add both travel speeds
Gear ratio
Inverse of tooth count
Compound percent
Multiply factors, never add
Work formula
Workers times days constant
Overlap sets
Add then subtract overlap

Arithmetic Shortcuts

No calculator
Master fast mental math
Percent of
Multiply by decimal form
Percent change
Always use original base
Two-step percent
Never simply add percentages
Distance formula
Rate multiplied by time
Average removal
Total minus remaining sum
Break-even swing
Loss needs bigger gain

Bridge the Analogy

Build one sentence bridge, then match it exactly.

Make a bridgeTest each optionKeep it exact

Word vs Figure Analogies

Word analogy

  • Relationship between meanings
  • Synonym or function link
  • Vocabulary knowledge helps

Figure analogy

  • Relationship between shapes
  • Rotation or fill link
  • No vocabulary needed

Meaning link vs visual link

Analogy Relationship Types

Synonym pair
Same core meaning
Antonym pair
Opposite core meaning
Part to whole
Piece belongs to whole
Tool to user
Instrument serves professional
Cause to effect
First triggers second
Degree pair
Weak scales to strong
Function pair
Shared purpose or use
Category pair
Member belongs to class

Verbal Deduction Cues

Despite signals
Unexpected contrast follows
Because signals
Direct cause given
However signals
Reversal of direction
Best supported
Only what is stated
Overreach trap
Avoid absolute wording
Not stated
Eliminate outside assumptions
Inference
Evidence combined with logic

Stack the Figure Rules

Sides, fills, and lines can all change together.

Sides ruleFill ruleLine-count rule

Rotation vs Reflection

Rotation

  • Turns around point
  • Keeps handedness
  • Angle changes

Reflection

  • Mirrors across axis
  • Flips handedness
  • Left-right reversed

Turn vs mirror

Spatial Transformations

Rotation
Turns around a point
Reflection
Mirrors left and right
Translation
Slides without changing shape
Dilation
Changes size only
Net folding
Flat pattern becomes solid
Cube net
Six squares fold closed
Cross net
Classic shape folds cube

Figure Pattern Rules

Side progression
Each step adds one side
Fill rotation
Pattern cycles through rows
Dual rule
Row and column combine
Matrix constraint
No repeat within row
Doubling lines
Internal lines double each step
View check
Sphere shows circle everywhere
Odd one out
Find the missing trait

Only Contrapositive Is Equal

Converse and inverse lie; contrapositive tells truth.

Converse: not equalInverse: not equalContrapositive: equal

Contrapositive vs Converse

Contrapositive

  • Not Q then not P
  • Always equivalent
  • Safe to use

Converse

  • Q then P
  • Not equivalent
  • Common trap

Flip and negate only

Which Logic Rule Applies

  1. If-then with antecedent trueApply modus ponens
  2. If-then with consequent falseApply modus tollens
  3. Need an equivalent statementForm the contrapositive
  4. Either-or, but not bothTreat it as XOR
  5. All-some syllogism chainDraw nested circles
  6. Three plus variables givenBuild a truth table

Conditional Logic Rules

Modus ponens
P true makes Q true
Modus tollens
Not Q makes not P
Contrapositive
Always logically equivalent
Converse
Not logically equivalent
Inverse
Not logically equivalent
Chain rule
A leads on to C
XOR statement
Exactly one side true

Some vs All Quantifiers

Some

  • At least one
  • Leaves rest unknown
  • Weaker claim

All

  • Every single case
  • Full subset relation
  • Stronger claim

Partial vs total

Syllogism and Truth Rules

All A are B
A is a subset
Some means
At least one case
No valid conclusion
Overlap stays unknown
Undistributed middle
Common syllogism fallacy
Truth rows
2 raised to n
AND rule
Both sides must hold
OR rule
One side must hold
NOT rule
Flips true and false

Common Traps

Converse vs Contrapositive

Converse not equivalent Contrapositive always equivalent

Combined Rates vs Combined Times

Add the rates Never average the times

Sequential Percents vs Simple Sum

Multiply the factors Do not add percentages

Some vs All in Syllogisms

Some means not every case All means full subset

Wholesale Base vs Retail Base

Markup uses wholesale Not the retail price

Rotation vs Reflection Symmetry

Rotation keeps handedness Reflection flips handedness

Fixed Pace vs Time Banking

45 sec average only Bank time on easy ones

Last Minute

  1. 1.120 questions in 90 minutes
  2. 2.45 seconds average per question
  3. 3.No calculator allowed at all
  4. 4.No penalty for wrong guesses
  5. 5.Bank time on easy items
  6. 6.Contrapositive is always equivalent
  7. 7.Combined rates add, not average
  8. 8.Percent changes multiply, never add
  9. 9.Some means at least one
  10. 10.Check differences before trying ratios
  11. 11.Pass score varies by AFSC
  12. 12.9S100 needs score of 57
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