Number System
29 SSC CGL Tier II Quantitative Aptitude previous year questions (PYQs) from 11 papers, 2019 to 2025, with answers and worked solutions.
About this chapter
- Difficulty: 21 easy · 8 moderate.
- Most-asked subtopics: Divisibility Rules and Missing Digits (9), HCF and LCM Applications and Remainder Recipes (4), HCF and LCM Laws and Fractions (3).
- Updated 18 October 2026.
#1Divisibility Rules and Missing Digits
#2Perfect Squares, Cubes and Difference of Squares
#3HCF and LCM Applications and Remainder Recipes
#4Divisibility Rules and Missing Digits
#5Divisibility Rules and Missing Digits
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#6Divisibility Rules and Missing Digits
#7Divisibility Rules and Missing Digits
#8HCF and LCM Applications and Remainder Recipes
#9Divisibility Rules and Missing Digits
#10Perfect Squares, Cubes and Difference of Squares
#11Place Value and Digit Problems
#12Prime Numbers and Primality
#13Place Value and Digit Problems
#14Prime Numbers and Primality
#15HCF and LCM Applications and Remainder Recipes
#16Divisibility by Factorisation
#17HCF and LCM Laws and Fractions
#18Factors, Divisor Counting and Trailing Zeros
#19Divisibility Rules and Missing Digits
#20Unit Digit and Cyclicity
#21Divisibility Rules and Missing Digits
#22HCF and LCM Laws and Fractions
#23Division, Parity and Consecutive Integers
#24Remainders by Congruence and Cyclicity
#25HCF and LCM Applications and Remainder Recipes
#26Divisibility by Factorisation
#27Factors, Divisor Counting and Trailing Zeros
#28Divisibility Rules and Missing Digits
#29HCF and LCM Laws and Fractions
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