Instructions

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

Question 47

24 12 12 18 ? 90

Solution

The pattern is :

24 * $$\frac{1}{2}$$ = 12

12 * 1 = 12

12 * $$\frac{3}{2}$$ = 18

18 * 2 = 36

36 * $$\frac{5}{2}$$ = 90

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