Question

In the following number series, a wrong number is given. Find out the wrong number.

2, 2, 8, 72, 1154, 28800

1. 2
2. 8
3. 72
4. 1154
5. 28800

Answer 1

Correct Answer - Option 4 : 1154

Given:

2, 2, 8, 72, 1154, 28800

Calculation:

The logic follows here is:

2 × 1² = 2 × 1 = 2

2 × 2² = 2 × 4 = 8

8 × 3² = 8 × 9 = 72

72 × 4² = 72 × 16 = 1152 ≠ 1154

1152 × 5² = 1152 × 25 = 28800

There should be 1152 instead of 1154.

∴ 1154 is the wrong term.