Question
A bag contains 650 coins of 25p denomination and 1300
coins of 50p denominations. If 19% of 25p coins and 38% of 50p coins are removed, the percentage of money removed from the bag is nearly?Solution
Total money = Rs.[650 x (25/100) + 1300 x (50/100)] = Rs. 812.5 25 paise coins removed = Rs. (650 x 19%) = 123.5 50 paise coins removed = Rs. (1300 x 38%) = 494 Money removed =Rs. {123.5 x (25/100) + 494 x (50/100)} = Rs. 277.875 Required percentage = (277.875/812.5) x 100 = 34.2%
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