- 
					 A shopkeeper has 50 kgs of rice. He sells a part of it at 20% profit and the rest at 40% profit. If he gains 25% on the whole, find the quantity of each part.
 
- 
                        
- 12.5 kgs and 37.5 kgs
 - 37.5 kgs and 12.5 kgs
 - 23.5 kgs and 21.5 kgs
 - 21.5 kgs and 23.5 kgs
 
 
Correct Option: B
According to figure we find that the ratio will be 3 : 1.
Quantity sold at 20% profit = 3 / (3 + 1) × 50 = 37.5 kgs. 
Quantity sold at 40% profit = (50 – 37.5) = 12.5 kgs.