SSC CHSL 2020 PYQ — Question 83

SSC CHSL - 20th October 2020 - Shift 1 • Reasoning • Q83

Identify the number that does NOT belong to the following series.

1, 4, 9, 15, 25, 36

Show answer & explanation

Correct answer: C

Explanation

The correct answer is option 3 i.e 15.

Understanding

Given series: 1, 4, 9, 15, 25, 36

The series follows the pattern:

12, 22, 32, 42, 52 and so on.

The term 15 is not a perfect square. 

So the term 15 does not belong to the series.