Question
A bag contains 750 coins of 25p denomination and 1500
coins of 50p denominations. If 20% of 25p coins and 40% of 50p coins are removed, the percentage of money removed from the bag is nearly? Â ÂSolution
Total money = Rs.[750 x (25/100) + 1500 x (50/100)] = Rs. 937.5 25 paise coins removed = Rs. (750 x 20%) = 150 50 paise coins removed = Rs. (1500 x 40%) = 600 Money removed =Rs. {150 x (25/100) + 600 x (50/100)} = Rs. 337.5 Required percentage = (337.5/937.5) x 100 = 36%
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