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CSAT: Comprehension, Reasoning and Numeracy
Number relations and calculation
Divisibility and remainders

UPSC · Prelims and Mains

CSAT: Comprehension, Reasoning and Numeracy

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CSAT: Comprehension, Reasoning and Numeracy

Passage comprehension
Interpersonal communication
Decision making and problem solving
Statements, deduction and syllogisms
Analytical arrangements and relations
Patterns, codes and mental ability
Number relations and calculation
Ratios, proportions and mixtures
Percentages and commercial arithmetic
Equations and quantitative word problems
Time, motion and work
Geometry, mensuration and spatial quantities
Sets, counting and elementary probability
Data interpretation and sufficiency

← Number relations and calculation

Divisibility and remainders

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Divisibility tests
Highest common factor
Least common multiple
Remainder on division
Parity
Unit-digit cycles
Digit-place value
Number of positive divisors
Power residues modulo an integer
Digit-count blocks in concatenated integers

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