4, 7, 12, 19, 28, ?

A 49

B 36

C 30

D 39

Solution

Correct Answer: Option D

First term,
4
Second,
4+3 = 7.
Third,
7+5 = 12.
Fourth,
12+7 = 19.
Fifth,
19+9 = 28.
Therefore,
28+11 = 39 will be the required term.

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