Question 135

What will come in the place of question mark (?) in the following series ?
2 9 28 65 ?

Solution

Each number is of the form $$(n^3+1)$$ where $$n$$ is a natural number

$$1^3+1$$ = 2

$$2^3+1$$ = 9

$$3^3+1$$ = 28

$$4^3+1$$ = 65

$$5^3+1$$ = 126

=> Ans - (C)

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