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Instructions
In the following two questions, a series is given, with one term missing. Choose the correct alternative from the given ones that will complete the series.
Solution
here the given pattern is 3, 5, 9, 17, ?
let the missing term be y
we can see that
5 - 3 = 2^1
9 -5 = 4 = 2^2
17 - 9 = 8 = 2^3
as we can see that every time the difference between consecutive terms is getting increased by power of 2
and hence , y - 17 = 2^4 = 16
y = 33
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