1.

What should come in place of question mark ‘?’ in the following number series?10, 30, 69, 132, 227, ?1. 2562. 3563. 1564. 4565. 336

Answer» Correct Answer - Option 2 : 356

Calculation:

Considering the above series,

10, 30, 69, 132, 227, ?

The logic of the series can be explained as,

(2)3 + 2 = 10

(3)3 + 3 = 30

(4)3 + 5 = 69

(5)3 + 7 = 132

(6)3 + 11 = 227

By observing the pattern, we can write

(7)3 + 13 = 356

⇒ ? = 356

∴ The value of ? is 356.



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