SSC CPO 2019 PYQ — Question 129

SSC CPO Tier I - 12th December 2019 - Shift 1 • Quantitative Aptitude • Q129

The value of 8 ÷ [(9 - 5) ÷ {(4 ÷ 2 of 4) - ( 8 ÷ 8 of 16) + (4 × 2 ÷ 8)}] is?

Show answer & explanation

Correct answer: B

Explanation

The correct answer is Option 2 i.e. 23/8

Application

8 ÷ [(9 - 5) ÷ {(4 ÷ 2 of 4) - ( 8 ÷ 8 of 16) + (4 × 2 ÷ 8)}]

=  8 ÷ [(4) ÷ {(4 ÷ 8) - ( 8 ÷ 128) + (8 ÷ 8)}]

= 8 ÷ [4 ÷ 1/2 - 1/16) + 1]

= 8 ÷ [4 ÷ (8 - 1 - 16)/16 ]

= 8 ÷ [4 ÷ 23/16]

= (8 × 23)/(4 × 16)

= 23/8