Instructions

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

Question 89

8, 16, 64, 384, ?, 30720

Solution

Successive even numbers are multiplied.

8 $$\times 2$$ = 16

16 $$\times 4$$ = 64

64 $$\times 6$$ = 384

384 $$\times 8$$ = 3072

3072 $$\times 10$$ = 30720

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