SSC CHSL 2025 PYQ — Question 37

SSC CHSL - 17 Nov 2025 - Shift 2 • Reasoning • Q37

Which of the following are twin prime numbers?

Show answer & explanation

Correct answer: A

Explanation

Given:

Options—59, 61; 67, 71; 73, 79; 83, 89

Twin prime numbers are those whose difference is 2 and both are prime.

59 and 61

61 − 59 = 2 → both prime

67 and 71

71 − 67 = 4 → no

73 and 79

79 − 73 = 6 → no

83 and 89

89 − 83 = 6 → no