Correct Answer - Option 3 : 18
Given:
The number series:
0.5, 1.5, 5, ?, 76, 385
Concept Used:
Number series following a fixed pattern.
Calculation;
The given number series follows the pattern:
0.5 × 1 + 1 = 1.5
1.5 × 2 + 2 = 5
5 × 3 + 3 = 18
18 × 4 + 4 = 76
76 × 5 + 5 = 385
∴ The number coming in place of “?” in the given number series is 18