Instructions

In the following question, select the missing number from the given series.

Question 17

1, 8, 29, 92, 281, ?

Solution

Numbers of the form $$(7\times3^n)$$ are added, where $$n$$ is whole number.

1 $$+(7\times3^0)$$ = 8

8 $$+(7\times3^1)$$ = 29

29 $$+(7\times3^2)$$ = 92

92 $$+(7\times3^3)$$ = 281

281 $$+(7\times3^4)$$ = 848

=> Ans - (D)


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