SBI Junior Associate 2014 · Question 5 of 200

What will come in place of the question mark (?) in each of the following number series ? 2, 3, 18, 115, 854, ?

number-series

A6027
B7767Correct
C6992
D6913
E6059

Answer: B. 7767

Explanation

The pattern here followed is : 2 $$\times 1 + 1^2$$ = 3 3 $$\times 3 + 3^2$$ = 18 18 $$\times 5 + 5^2$$ = 115 115 $$\times 7 + 7^2$$ = 854 854 $$\times 9 + 9^2$$ = 7767

Source: SBI Clerk 27 July 2014 Paper with Solutions — Cracku · reliable-secondary

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