Question

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

53, 55, 113, 347, 1377

1. 53
2. 55
3. 1377
4. 113
5. 347

Answer 1

Correct Answer - Option 5 : 347

Given:

53, 55, 113, 344, 1377

Calculation:

Considering the above series, the logic should be

53 × 1 + 2 = 55

55 × 2 + 3 = 113

113 × 3 + 4 = 343

343 × 4 + 5 = 1377

∴ The wrong term in this series is 347.