What should come in place of the question mark '?' in the following nu – InterviewSolution

InterviewSolution

1.

What should come in place of the question mark '?' in the following number series?5, 15, 35, ?, 105, 1551. 452. 553. 654. 755. 90

Answer» Correct Answer - Option 3 : 65

Calculation:

The number series follows the pattern:

5

5 +(1× 10)= 5 + 10 = 15

15 +(2× 10)= 15 + 20 = 35

35 +(3× 10)= 35 + 30 = 65

65 +(4× 10)= 65 + 40 = 105

105 +(5× 10)= 105 + 50 = 155

∴ The value of '?'is 65.

Discussion

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