Ravi has 50 kg of rice. He sells a part of it at 10% profit and the remaining at 5% loss. His overall profit was 7%. What is the quantity sold at 5% loss?
10 kg
Ratio of quantities sold at 10% profit and 5% loss=12:3=4:1Therefore, the quantity sold at 10% profit=504+1×4=40 kgAnd quantity sold at 5% loss=50−40=10 kg