A sum of ₹ 4 is made up of 20 coins that are either 10 paise coins or 60 paise coins. Find out how many 10 paise coins are there in the total amount.

A sum of ₹ 4 is made up of 20 coins that are either 10 paise coins or 60 paise coins. Find out how many 10 paise coins are there in the total amount.

• A. 10
• B. 13
• C. 16
• D. 15

 

The correct answer is option C. 16. Can you explain this answer in the comments?

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