Question 15

Find the missing term of the following series : 4, 7, 12, ? , 28, 39.

Solution

In the given series, 4, 7, 12, ? , 28, 39.

Difference between n and n-1 term is again in form of series 3,5,.. To satisfy this pattern, Missing number 19 would be right choice.

Hence, Option D is right choice.

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