SSC CHSL 2019 PYQ — Question 76

SSC CHSL - 11th July 2019 - Shift 1 • Reasoning • Q76

Which number will replace the question mark (?) in the following series?

2, 4, 7, 12, 19, 30, ?

Show answer & explanation

Correct answer: C

Explanation

The correct answer is option 3 i.e. 43

Understanding

Consecutive prime numbers are added.

2, 4, 7, 12, 19, 30, ?

2 + 2 = 4,

4 + 3 = 7,

7 + 5 = 12,

12 + 7 = 19,

19 + 11 = 30,

30 + 13 = 43

Hence, 43 is the correct answer.