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SSC CHSL 2022 PYQ — Question 51

SSC CHSL - 27 May 2022 - Shift 3 • Quantitative Aptitude • Q51

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What is the value of 1980÷9+[−77+1980\div9+[-77+ {−1980+(14 of 7920)-1980+(\frac{1}{4} \ of \ 7920)}] ?

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Correct answer: B

Explanation

The correct answer is option 2 i.e. 143

1980 ÷ 9 + [-77 + {-1980 + (1/4 × 7920)}]

⇒ 1980 ÷ 9 + [-77 + {-1980 + (7920/4)}]

⇒ 1980 ÷ 9+ [-77 + {-1980 + (1980)}]

⇒ 1980 ÷ 9+ [-77 + {-1980 + 1980}]

⇒ 1980 ÷ 9 + [-77 + {0}]

⇒ 220 + [-77]

⇒ 220 - 77 = 143