How Many 5 p Coins are There? If

In a bag, there are coins of 25 p, 10 p and 5 p in the ratio of 1:2:3. If there is Rs.30 in all, how many 5 p coins are there?

  1. 50
  2. 100
  3. 150
  4. 200
Monis Rasool Professor Asked on 13th June 2015 in Maths.
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1 Answer(s)

Answer: (3) 150.
Explanation:-

Let the number of 25p, 10p and 5p coins be X, 2X, 3X.
Then, sum of their values = (25X/100 + 10 x 2X/100 + 5 x 3X/100) = 60X/100
therefore, 60X/100 = 30
X = 30 x 100/60 = 50

The number of 5p coins = 3 x 50 = 150

Hence, the answer is (3) 150.

Anurag Mishra Professor Answered on 13th June 2015.
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