Question

In each of the following number series, the wrong number is given, find out that number.

3, 14, 39, 84, 156, 258
1. 84
2. 39
3. 156
4. 258
5. None of these

Answer 1

Correct Answer - Option 3 : 156

Given that,

The series follows the following pattern:

3, 14, 39, 84, 156, 258

1³ + 1² + 1 = 3

23 + 22 + 2 = 14

33 + 32 + 3 = 39

43 + 42 + 4 = 84

53 + 52 + 5 = 155

63 + 62 + 6 = 258

∴ 156 is the wrong in the given patterrn