SSC CHSL 2020 PYQ — Question 78

SSC CHSL - 12th October 2020 - Shift 1 • Reasoning • Q78

Select the option in which the numbers are related in the same way as are the numbers in the given set.

(7, 15, 31)

Show answer & explanation

Correct answer: D

Explanation

The correct answer is option 4 i.e. (3, 7, 15)

Understanding Application

Given: (7, 15, 31)

{(7 x 2) + 15} + 2 = 31

→ 14 + 15 = 29 + 2 = 31

A similar relation can be seen in option 4: (3, 7, 15)

{(3 x 2) +7} + 2

= 6 + 7 + 2 = 15