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What should come in place of the question mark '?' in the following number series? 1, 3, 11, ?, 239, 1439

What should come in place of the question mark '?' in the following number series? 1, 3, 11, ?, 239, 1439 Correct Answer 47

Calculation:

Considering the above series,

1, 3, 11, ?, 239, 1439

The logic of the series can be explained as,

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1 × 2 + 1 = 3

3 × 3 + 2 = 11

11 × 4 + 3 = ? = 47

47 × 5 + 4 = 239

239 × 6 + 5 = 1439

∴ The value of (?) is 47.

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