SarkariPYQ

SSC CGL 2025 PYQ — Question 13

SSC CGL - 14 Oct 2025 - Shift 1 • Reasoning • Q13

Back to paper

Find the missing number: 5: 124 :: 7:?

Show answer & explanation

Correct answer: A

Explanation

5:124124=(53)−1Similarly7:(73)−1=343−1=3425 : 124\\ 124 = (5^3) - 1\\\\ Similarly\\ 7 : (7^3) - 1\\ = 343 - 1\\ = 342