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A series is given with one term missing. Select the correct alternative from the given ones that will complete the series. 3, 5, 9, 15, ?, 33

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A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.

3, 5, 9, 15, ?, 33
1). 31
2). 32
3). 23
4). 43


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1 vote
Answered by on | Votes 1 |

3 + 2 × 1 = 5

5 + 2 × 2 = 9

9 + 2 × 3 = 15

15 + 2 × 4 = 23

23 + 2 × 5 = 33

Hence, ‘23’ is the missing term in the series.

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