Cheat sheet

RRB NTPC Cheat Sheet

Exam Process

0%of exam

CBT StagesNegative MarkingSkill TestsCutoffsDV Medical

General Awareness

40%of exam

Railway GKCurrent AffairsPolityHistoryScienceStatic GK

Mathematics

30%of exam

BODMASHCF LCMPercentagesInterestSpeed WorkMensuration

Reasoning

30%of exam

CodingSeriesBlood RelationsSyllogismDirectionsCalendars Clocks

Quick Facts

Exam
RRB NTPC
Body
Railway Recruitment Boards
Format
Computer Based Test
CBT 1
100 Qs
CBT 2
120 Qs
Time
90 min
PwBD
120 min
Penalty
1/3 wrong
Minimums
40/30/25%
Pass Rate
Not published
Validity
CEN cycle

Section Split

GA 40; Maths 30; Reasoning 30

GA: largestMaths: arithmeticReasoning: patterns

CBT 1 vs CBT 2

CBT 1

  • 100 questions
  • Screening stage
  • 40/30/30 split

CBT 2

  • 120 questions
  • Merit stage
  • 50/35/35 split

Screening vs merit

Stage Picker

  1. Starting examCBT 1(Screening)
  2. CBT 1 clearedCBT 2(Merit)
  3. Station Master choiceCBAT(T-score 42)
  4. Typist post choiceTyping test(Qualifying)
  5. Shortlisted after testsDV(Documents)
  6. Post allotmentMedical exam(Fitness)

CBT Stages

CBT 1
Screening test
CBT 2
Merit stage
Questions
100 / 120
Duration
90 min
PwBD time
120 min
Marking
+1 correct
Penalty
-1/3 wrong
Normalisation
Shift adjustment
Qualifying
Minimum marks
Cutoff
Vacancy based

Negative Marking

Wrong costs one-third; blank costs zero

Wrong: -1/3Blank: 0Correct: +1

CBAT vs Typing

CBAT

  • SM/TA posts
  • Aptitude batteries
  • T-score 42

Typing

  • Clerical posts
  • Speed test
  • Qualifying

Aptitude vs typing

Score Picker

  1. Sure answerAttempt(+1)
  2. One option leftAttempt(Reasoned)
  3. Two eliminatedConsider(Risk)
  4. No eliminationSkip(No penalty)
  5. Slow calculationFlag(Return)
  6. End reviewRecheck(Marked)

Post Tests

Stage order
CBT then tests
CBAT
SM/TA only
Typing test
Typist posts
DV
Document check
Medical
Fitness standard
Station Master
CBAT post
Traffic Assistant
CBAT post
Clerk Typist
Typing post
Final panel
CEN vacancies

Qualifying vs Cutoff

Qualifying

  • Minimum percent
  • Category listed
  • Eligibility floor

Cutoff

  • Vacancy based
  • Zone varies
  • Merit rank

Floor vs selection

Eligibility + Fees

UG age
18-30 years
Graduate age
18-33 years
UG education
Class 12
Graduate education
Degree
Standard fee
Rs 500
Reduced fee
Rs 250
Refund rule
After CBT 1
Attempts
Age-bound
Validity
CEN cycle
Pass rate
Not published

Attempt vs Skip

Attempt

  • Known answer
  • Eliminated options
  • Penalty accepted

Skip

  • No clue
  • Time drain
  • No penalty

Marks vs risk

Scoring Strategy

Known answer
Attempt
Two eliminated
Calculated risk
No clue
Skip
Easy first
Secure marks
GA speed
Protect time
Math roughwork
Prevent slips
Reasoning diagrams
Avoid memory load
Review flagged
Use remaining time
Question order
Flexible
Guess discipline
Penalty aware

Awareness vs Maths

Awareness

  • Largest section
  • Facts + current
  • Fast scoring

Maths

  • Formula driven
  • Calculation accuracy
  • More roughwork

Recall vs calculate

Topic Picker

  1. Need highest yieldGeneral Awareness(40/50 Qs)
  2. Need fast marksRailway GK(Static)
  3. Weak arithmeticPercentages(Base topic)
  4. Slow calculationsBODMAS(Simplify)
  5. Pattern missesSeries(Differences)
  6. Relation errorsBlood Relations(Draw)

Awareness Core

General Awareness
Largest section
CBT 1 GA
40 questions
CBT 2 GA
50 questions
Current affairs
Daily revision
Railway GK
Rail facts
Polity
Constitution articles
History
Movements battles
Geography
Maps rivers
Economy
Budget RBI GST
Science
NCERT basics

Railway GK

Indian Railways
Ministry of Railways
Railway Board
Apex body
First passenger
1853 Mumbai-Thane
Dalhousie
Railway introduction
Vande Bharat
Train 18
Zones
RRB-wise vacancies
Production Units
CEN vacancies
Medical standards
Post specific

BODMAS

Bracket Order Divide Multiply Add Subtract

Brackets firstPowers earlyLeft to right

HCF vs LCM

HCF

  • Greatest factor
  • Common divisor
  • Smaller answer

LCM

  • Smallest multiple
  • Common dividend
  • Larger answer

Divide vs multiple

Formula Picker

  1. Changing percentBase value(Always)
  2. Profit questionCost price(Base)
  3. Interest yearlySI/CI(Formula)
  4. Speed units differ5/18(Convert)
  5. Two workersRate addition(Invert)
  6. Train crossingRelative speed(Length)

Math Formulas

BODMAS
Operation order
HCF
Greatest common factor
LCM
Smallest common multiple
Percentage
Per hundred
Profit %
Profit / CP x100
Loss %
Loss / CP x100
Simple Interest
PRT / 100
Compound Amount
P(1+R/100)^T
Average
Sum / count
Speed
Distance / time

Speed Convert

km/h x 5/18 gives m/s

Reverse: x18/5Units first

SI vs CI

SI

  • Fixed principal
  • Linear interest
  • PRT formula

CI

  • Growing amount
  • Interest on interest
  • Power formula

Linear vs compounding

Math Shortcuts

km/h to m/s
x 5/18
m/s to km/h
x 18/5
Successive change
Use net percent
Time-work
Add rates
Pipes
Fill minus empty
Trains
Use relative speed
Mensuration
Memorize units
Algebra
Factor pairs

Reasoning Draw

Draw before solving relation questions

Relations: treeDirections: compassSeating: map

Analogy vs Classification

Analogy

  • Same relation
  • Pair logic
  • Bridge words

Classification

  • Odd option
  • Common property
  • Category test

Match vs exclude

Reasoning Toolkit

Analogy
Match relationship
Classification
Find odd one
Series
Pattern continuity
Coding
Letter shifts
Blood Relations
Draw family tree
Direction Sense
Draw compass path
Syllogism
Must-follow only
Venn Diagram
Class overlap
Seating
Fixed positions
Ranking
Opposite-side formula

Reasoning Timers

Clocks
30 deg/hour
Calendars
Remainder by 7
Alphabet Test
A1 Z26
Mirror Images
Left-right flips
Figure Counting
Systematic scan
Math Operations
Substitute symbols
Statement Assumption
Check necessity
Logical Sequence
Natural order

Common Traps

CBT 1 merit

CBT 1 screens CBT 2 ranks

Minimum vs cutoff

Minimum qualifies Cutoff selects

Wrong vs blank

Wrong loses marks Blank loses none

CBAT for all

CBAT post-specific Typing post-specific

Percent base

Profit uses CP Discount uses marked price

Speed units

Convert before formula Keep units same

Syllogism certainty

Only must-follow Ignore possibilities

Current affairs drift

Use current cycle Avoid stale notes

Last Minute

  1. 1.CBT 1: 100 questions
  2. 2.CBT 2: 120 questions
  3. 3.Time: 90 min
  4. 4.PwBD scribe: 120 min
  5. 5.Penalty: one-third wrong
  6. 6.Blank: zero penalty
  7. 7.GA has largest share
  8. 8.CBAT is post-specific
  9. 9.Typing is post-specific
  10. 10.Cutoffs vary by RRB
  11. 11.Normalisation handles shifts
  12. 12.DV precedes medical
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