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HPSC HCS 2021 · Question 145 of 177

A bag contains 25 paise, 50 paise and 1 Rs. coins. There are 220 coins in all the total amount in the bag is Rs. 160. If there are thrice as many 1 Rs. coins as there are 25 paise coins, then what is the number of 50 paise coins?

Arithmetic

  1. A60Correct
  2. B40
  3. C120
  4. D80

Answer: A. 60

Explanation

With c=3a and a+b+c=220, 0.25a+0.5b+c=160: solving gives a=40, b=60 fifty-paise coins.

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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