In each of these questions a number series is given. Below the series one number is given followed by (a), (b), (c),
(d) and (e). You have to complete this series following the same logic as in the original series and answer the question that follows.
7, 6, 10, 27, 104, 515
9 (a) (b) (c) (d) (e)
What will come in place of (d) ?
The pattern followed is :
7 $$\times 1 - 1$$ = 6
6 $$\times 2 - 2$$ = 10
10 $$\times 3 - 3$$ = 27
27 $$\times 4 - 4$$ = 104
104 $$\times 5 - 5$$ = 515
Similarly,
9 $$\times 1 - 1$$ = 8
8 $$\times 2 - 2$$ = 14
14 $$\times 3 - 3$$ = 39
39 $$\times 4 - 4$$ = 152
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