Question

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

31, 102, 165, 256, 345, 446, 562

1. 345
2. 31
3. 102
4. 165
5. 256

Answer 1

Correct Answer - Option 4 : 165

Considering the given series

31, 102, 165, 256, 345, 446, 562

The series follows the following pattern:

31	102	176	256	345	446	562
+71	+74	+80	+89	+101	+116
	+3	+6	+9	+12	+15

 

∴ Wrong term in given number series is 165.