Discussion

Explanation:

Value = No. of coins × denomination in the amount for the type of coin.

Thus, combined ratio of value is 5 × 3 : 2 × 2 : 1 × 1 = 15 : 4 : 1 Then Rs. 1 coin is 1/20 × 240 = Rs. 12 i.e. 12 coins

Hence, option (b).

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