SSC CHSL 2023 PYQ — Question 71

SSC CHSL - 09 Aug 2023 - Shift 3 • Quantitative Aptitude • Q71

Simplify:

[15{1\over 5} of (35 - 5) + 4]2 - [9 - {7 + (2 - 3)} + 5]2

Show answer & explanation

Correct answer: B

Explanation

The correct answer is option 2 i.e. 36.

Given, [15{1\over 5} of (35 - 5) + 4]2 - [9 - {7 + (2 - 3)} + 5]2

⇒ [15{1\over 5} of 30 + 4]2 - [9 - {7 - 1} + 5]2 

⇒ [6 + 4]2 - [9 - 6 + 5]2

⇒ [10]2 - [8]2

⇒ 100 - 64 = 36