Question : Directions: In the following question a series is given, with one number missing. Choose the correct alternative from the given ones that will complete the series.
2, 3, 5, 9, 17, ?
Option 1: 31
Option 2: 32
Option 3: 33
Option 4: 34
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Correct Answer: 33
Solution :
Given:
2, 3, 5, 9, 17, ?
The pattern followed here is –
2 + (2
0
) = 2 + 1 = 3
3 + (2
1
) = 3 + 2 = 5
5 + (2
2
) = 5 + 4 = 9
9 + (2
3
) = 9 + 8 = 17
17 + (2
4
) = 17 + 16 = 33
So, 33 is the missing term. Hence, the third option is correct.
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