In 100 lit mixture of milk and water, milk is 68 lit more than that of water. When 'a' lit of milk is taken out and `(a+15)` lit of water is added, milk becomes 50% more than that of water. Find value of 'a'?

Options

A. 20
B. 15
C. 18
D. 12

Answer

To solve the problem step by step, let's break it down:

### Step 1: Define Variables
Let the quantity of milk be \( x \) liters and the quantity of water be \( y \) liters.