SSC CHSL 2020 PYQ — Question 70

SSC CHSL - 14th October 2020 - Shift 2 • Quantitative Aptitude • Q70

The value of  is:

Show answer & explanation

Correct answer: D

Explanation

The correct answer is Option 4 i.e 1/81.

Understanding/Application

= [5(4/9) ÷ (11/4 - 13/6)2] ÷ [7(3/11) × 8(4/5) ÷ 1(5/7) - 4/3]2

= [49/9 ÷ {(33 - 26)/12}2] ÷ [80/11 × 44/5 ÷ 12/7 - 4/3]2

= [49/9 ÷ 49/144] ÷ [64 ÷ 12/7 - 4/3]2

= 144/9 ÷ [112/3 - 4/3]2

= 144/9 ÷ (36)2

= 144/9 × (1/36) × 1/36

= 1/81