Question

What will come in place of question mark (?) in the following number series?

2, 3, 6, 15, ?, 157.5

1. 10
2. 45
3. 35
4. 30
5. 42

Answer 1

Correct Answer - Option 2 : 45

The pattern of given series can be explained as:

2 × 1.5 = 3

3 × 2 = 6

6 × 2.5 = 15

15 × 3 = 45

45 × 3.5 = 157.5

∴ The value of ? is 45.