SSC Selection Post 2025 PYQ — Question 79

SSC Selection Post - Higher Secondary Level - 30th July 2025 - Shift 2 • Reasoning • Q79

Choose the missing number: 3, 5, 11, 21, 35, ?

Show answer & explanation

Correct answer: D

Explanation

5 − 3 = 2

11 − 5 = 6

21 − 11 = 10

35 − 21 = 14

Series of differences:

2, 6, 10, 14

Here, each term is increased by 4.

Next difference:

14 + 4 = 18

Hence, the next term:

35 + 18 = 53

Correct Answer:-: (d) 53