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In a bag, the number of one rupee coins is three times the number of two rupees coins. If the worth of the coins is 120, find the number of 1 rupee coins. |
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Answer» Let two rupees coins are x in numbers. So, one rupee coins are 3x in numbers. According to question, 1(3x) + 2(x) = 120 ⇒ 3x + 2x = 120 ⇒ 5x = 120 ⇒ x = 120/5 24 Thus, 3 × 24 – 72 coins are of one rupee coins. |
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