Correct Answer - Option 5 : 40
Given:
The number series:
10, 11, 15, 24, ?, 65
Concept Used:
Number series following a fixed pattern.
Calculation;
The given number series follows the pattern:
10 + 12 = 11
11 + 22 = 15
15 + 32 = 24
24 + 42 = 40
40 + 52 = 65
∴ The number in place of “?” in the given number series is 40