A man has only 20 paise coins and 25 paisa coins in his purse. If he has 50 coins in all totalling Rs. 11.25, how many coins of each kind does he have?

Explanation

To solve the problem, we will set up a system of equations based on the information given.

### Step 1: Define the variables
Let:
- \( x \) = number of 20 paise coins
- \( y \) = number of 25 paise coins

### Step 2: Set up the equations
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