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      Question

      A pouch contains 50-paisa, 1-rupee and 2-rupee coins in

      the ratio 6:5:4. If the total money is Rs. 512, find 25% of the number of 1-rupee coins.
      A 70 Correct Answer Incorrect Answer
      B 90 Correct Answer Incorrect Answer
      C 50 Correct Answer Incorrect Answer
      D 40 Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      ATQ, Let number of 50 paisa, 1 rupee and 2 rupee coins be 6x, 5x and 4x respectively. Total amount (in Rs.) = (0.5 ├Ч 6x) + (1 ├Ч 5x) + (2 ├Ч 4x) So, 3x + 5x + 8x = 512 Or, 16x = 512 Or, x = 32 Number of 1-rupee coins = 5x = 160 Therefore, required value = 25% of 160 = 0.25 ├Ч 160 = 40

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