# Complete Numeric Series given below: 1, 13, 37, 73

1, 13, 37, 73,?

- 120
- 123
- 125
- 121

**Answer: (4) 121
Explanation:-**

1 + 1 x 12 = 13, 13+ 2 x 12 = 37, 37 + 3 x 12 = 73, 73 + 4 x 12 = 121.

Hence, the next number will be 121.

1, 13, 37, 73,?

- 120
- 123
- 125
- 121

**Answer: (4) 121
Explanation:-**

1 + 1 x 12 = 13, 13+ 2 x 12 = 37, 37 + 3 x 12 = 73, 73 + 4 x 12 = 121.

Hence, the next number will be 121.