Instructions

In each of 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 17

3,15, 8, 24, 15, 35, ? , 48, 35

Solution

the given pattern is 3,15, 8, 24, 15, 35, ? , 48, 35

let the missing term be y

here we can see that 2 series are running

1st series : 3 , 8 , 15 , y , 35

2nd series : 15, 24 , 35 , 48

as the missing term is a part of 1st pattern then

8 - 3 = 5

15 - 8 = 7

as the difference is increasing by 2 every time and hence

y - 15 = 9

y = 24


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