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) Anuj has an equal number of two-rupee and five-rupee coins. He has also some120, how manyone-rupee coins. If the total number of coins is 40 and their value isfive-rupee and two-rupee coins does he have? |
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Answer» Let the number of coins be x. 2 rupee coin be 2x. 5 rupee coin be 5x. 1 rupee coin with the total number of coins is 40 will be 40 - 2x. Given value is 120. On solving (1), (2),(3),(4), we get 2x + 5x + (40-2x) = 120 2x + 5x + 40 - 2x = 120 5x + 40 = 120 x = 80/5 = 16. The number of 2 coins and the 5 rupees coins will be x = 16. Like my answer if you find it useful! |
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