Question

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

9, 10, 22, 69, 288, 1456

1. 10
2. 22
3. 69
4. 288
5. 1456

Answer 1

Correct Answer - Option 3 : 69

Considering the given series

9, 10, 22, 69, 288, 1456

The logic of the given series can be explained as

9 × 1 + 1 = 10

10 × 2 + 2 = 22

22 × 3 + 4 = 70

70 × 4 + 8 = 288

288 × 5 + 16 = 1456

∴ Wrong term in given number series is 69.