Which of the following combinations of coins of ₹ 5 and 50 paise are required for a total sum of ₹ 17.50?

4 coins of ₹ 5 and 3 coins of 50 paise

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3 coins of ₹ 5 and 5 coins of 50 paise

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5 coins of ₹ 5 and 3 coins of 50 paise

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3 coins of ₹ 5 and one coin of 50 paise

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Solution

The correct option is B 3 coins of ₹ 5 and 5 coins of 50 paise
₹ 17.50 = ₹ 17 and 50 paise

₹ 17
₹ 5 × 3 = ₹ 15
-________
₹ 2

₹ 1 = 100 paise

50 paise coins that will sum up to ₹ 2 and 50 paise or 250 paise = 50 pasie + 50 paise + 50 paise + 50 paise + 50 paise

Number of 50 paise coins required = 5

Total number of coins needed
= 3 coins of ₹ 5
and 5 coins of 50 paise

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