Question

In each series, only one number is wrong. Find out the wrong number.
5, 13, 29, 61, 120, 253

विकल्प

• 61

• 29

• 120

• 253

Answer 1

6
Explanation:                                      125
5            13            29            61          120          253

      +8           +16          +32           +64        +128
Hence, 125 should come in place of 120 in the series.