SSC CPO 2025 PYQ — Question 4

SSC CPO - 10 Dec 2025 - Shift 2 • Reasoning • Q4

Which of the following is the ODD one out?

Show answer & explanation

Correct answer: D

Explanation

Among the given numbers, 11, 17, and 23 are prime, while 27 is composite. Hence, 27 is the odd one out.

Hence, the correct answer is option 4.