SSC CPO 2025 PYQ — Question 159

SSC CPO - 12 Dec 2025 - Shift 1 • Reasoning • Q159

Complete the series.
13, 18, 23, __, 33

Show answer & explanation

Correct answer: D

Explanation

Series: 13, 18, 23, __, 33

Difference:

18 − 13 = 5

23 − 18 = 5

Pattern: the series increases by 5.

So, missing term = 23 + 5 = 28

28+ 5 = 33 (match)

Hence, the correct answer is option 4.