Question : Direction: In the following question a series is given, with one term missing. Choose the correct alternative from the given ones that will complete the series.
3, 5, 9, 17, ?
Option 1: 42
Option 2: 26
Option 3: 65
Option 4: 33
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Correct Answer: 33
Solution : Given –
3, 5, 9, 17, ?
The pattern follow for the series is –
3 × 2 – 1 = 6 – 1 = 5
5 × 2 – 1 = 10 – 1 = 9
9 × 2 – 1 = 18 – 1 = 17
17 × 2 – 1 = 34 – 1 = 33
The series is 3, 5, 9, 17, 33 .
Hence, fourth option is correct.
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