Instructions
In the following question, select the missing number from the given series.
Solution
The pattern followed is :
3 $$\times2+1$$ = 7
7 $$\times2-1$$ = 13
13 $$\times2+1$$ = 27
27 $$\times2-1$$ = 53
53 $$\times2+1$$ = 107
=> Ans - (A)
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