A grocer wants to blend two types of tea priced at Rs. 60 per kg and Rs. 65 per kg. In what proportion should they be mixed so that selling the blend at Rs. 68.20 per kg yields a 10% profit?
Explanation
The correct mixing ratio is 3:2. This ratio ensures that when the mixture is sold at Rs. 68.20 per kg, the grocer achieves a 10% gain.