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In a bag, there are coins of 25 p, 10 p and 5 p in the ratio of 1:2:3. If there are Rs. 30 in all, how many 5 p coins are there? |
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Answer» 150 Let the number of 25 p, 10 p and 5 p coins be x, 2x and 3X respectively. Then, sum of their values = [25x/100 + (10 * 2x)/100 + (5 * 3x)/100] = Rs. 60x/100 60x/100 = 30 => x = 50. Hence, the number of 5 p coins = 3 * 50 = 150. |
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