Instructions

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

Question 89

4.5, 4.5, 6.75, 13.5, 33.75, ?

Solution

Each term in the number series is a multiple of the previous term. The pattern is as given below

4.5 * 1 = 4.5
4.5 * 1.5 = 6.75
6.75 * 2 = 13.5
13.5 * 2.5 = 33.75

Hence, the term that comes next is 33.75 * 3 = 101.25 which is option (a)

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