Question
A piggy bank has 25-paise, 1-rupee and 2-rupee coins in
the ratio 40:30:20. If the total value is Rs. 4000, how many ₹1 coins are there?Solution
Let number of 25-paise, 1-rupee and 2-rupee coins be 40x, 30x and 20x respectively. According to question; 40x/4 + 30x + 20x×2 = 4000 Or, 10x + 30x + 40x = 4000 Or, 80x = 4000 Or, x = 50 Desired Answer = 30 × 50 = 1500
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