SSC Selection Post · Quantitative Aptitude
Number system and simplification
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- In the exam pattern: Computer Based Examination, Quantitative Aptitude: 25 questions, 50 marks (SSC notice, 13 Apr 2026).
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Practice this topic
Take a full mock →Q1 · Number system and simplification · MEDIUM
The greatest number which divides 23, 41 and 77 leaving the same remainder in each case is:
Q2 · Number system and simplification · EASY
Find the HCF of 72 and 108.
Q3 · Number system and simplification · EASY
What is the value of 25% of 200 plus 10% of 500?
Q4 · Number system and simplification · MEDIUM
The unit digit of 7^3 x 3^2 is:
Q5 · Number system and simplification · MEDIUM
The sum of two numbers is 156 and their HCF is 13. The number of such pairs of numbers is: