In a bag, there are coins of 25 paise, 10 paise and 5 paise in the ratio 1: 3: 5. If the total amount is ₹40, how many coins of 5 paise are there?
250
Let the numbers of coins be x, 3x and 5x; value = number × denomination.
Value = 25x + 10 × 3x + 5 × 5x paise
= 25x + 30x + 25x = 80x paise
80x = 4000 paise (₹40)
x = 50
Number of 5 paise coins = 5x = 250
Hence, 250.
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