Question
A bag contains 500 coins of 25p denomination and 1000
coins of 50p denominations. If 15% of 25p coins and 30% of 50p coins are removed, the percentage of money removed from the bag is nearly?Solution
Total money = Rs.[500 x (25/100) + 1000 x (50/100)] = Rs. 625 25 paise coins removed = Rs. (500 x 15%) = 75 50 paise coins removed = Rs. (1000 x 30%) = 300 Money removed =Rs. {75 x (25/100) + 300 x (50/100)} = Rs. 168.75 Required percentage = (168.75/625) x 100 = 27%
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