SarkariPYQ

SSC Stenographer 2025 PYQ — Question 71

SSC Stenographer - 06 Aug 2025 - Shift 2 • Reasoning • Q71

Back to paper

Identify the number that is unlike the rest:

Show answer & explanation

Correct answer: D

Explanation

21 is different because it is a composite number while all others are prime.

Hence, the correct answer is option 4.