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HPSC HCS 2021 · Question 140 of 177

18 people can do a work in 45 days. To complete the work in 30 days, how many people would be required?

Time & Work

  1. A27Correct
  2. B21
  3. C30
  4. D45

Answer: A. 27

Explanation

18×45 = 810 person-days; for 30 days, 810/30 = 27 people.

Source: HPSC HCS (Ex.Br.) Prelims Paper-II (CSAT) held 12-Sep-2021 (prepp.in compilation); answers per official HPSC answer key

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