Instructions

What will come in place of the question mark (?) in the following number series?

Question 86

4, 9, 29, 119, 599, ?

Solution

The pattern followed is :

4 $$\times 2 + 1$$ = 9

9 $$\times 3 + 2$$ = 29

29 $$\times 4 + 3$$ = 119

119 $$\times 5 + 4$$ = 599

599 $$\times 6 + 5$$ = 3599

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