Question

What will come in place of the question mark ‘?’ in the following question?

16, 17, 21, 30, 46, ?

1. 50
2. 68
3. 71
4. 76
5. 58

Answer 1

Correct Answer - Option 3 : 71

Given:

16, 17, 21, 30, 46, ?

Calculation:

⇒ 16 + 1² = 17

⇒ 17 +  22 = 21

⇒21 +  32 = 30

⇒ 30 +  42 = 46

⇒ 46 +  52 = 71

∴ The value of ? is 71.