Multiple choice

A bag contains $10-$paise and $25-$paise coins in the ratio of $17:6$. If the total money in the bag is $Rs.\ 112$, the number of $10-$paise coins is

  1. $35$
  2. $210$
  3. $490$
  4. $595$
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Ratio 17:6 means 17x coins of 10-paise and 6x coins of 25-paise. Value = 17x*0.10 + 6x*0.25 = 1.7x + 1.5x = 3.2x. 3.2x = 112. x = 112/3.2 = 35. Number of 10-paise coins = 17*35 = 595.

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