Question

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

37, 39, 43, 49, 57, ?

1. 67
2. 69
3. 71
4. 73

Answer 1

Correct Answer - Option 1 : 67

Given:

37, 39, 43, 49, 57, _

Calculation:

The series follows the following pattern.

⇒ 37 + 2 = 39

⇒ 39 + 4 = 43

⇒ 43 + 6 = 49

⇒ 49 + 8 = 57

⇒ 57 + 10 = 67

∴ 67 will replace ?.