Question
A bag contains coins of ₹1, ₹2, and ₹5
denominations in the ratio 5:2:3, respectively. If the total value of the coins is ₹1,224, how many ₹5 coins are there?Solution
Let the number of ₹1, ₹2, and ₹5 coins be 5x, 2x, and 3x, respectively. Total value = ₹1 × 5x + ₹2 × 2x + ₹5 × 3x = ₹1,224 5x + 4x + 15x = 1,224 24x = 1,224 x = 1,224 ÷ 24 = 51 Number of ₹5 coins = 3x = 153 Correct answer: b) 153
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