SSC CGL 2025 PYQ — Question 16

SSC CGL - 26 Sep 2025 - Shift 3 • Reasoning • Q16

What is the next number in the series?
1, 3, 9, 27, __

Show answer & explanation

Correct answer: C

Explanation

1, 3, 9, 27, ?

1 × 3 = 3

3 × 3 = 9

9 × 3 = 27

Each time the number is multiplied by 3.

Now the next number:

27 × 3 = 81

Correct answer: 81