Instructions

In the following questions, a series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.

Question 28

3, 9, 21, 45, ?

Solution

the series follows pattern as,

0 + 3 = 3

3 + 6= 9

9 + 12 = 21

21 + 24 = 45

45 + 48 = 93

$$\therefore$$ Option D is the correct answer.


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