question_answer

A trader has 50 kg of pulses, part of which he sells at 8% profit and rest at 18% profit. He gains 14% on the whole. What is the quantity sold at 18% profit?

A) 30 kg

B) 35 kg

C) 40 kg

D) 60 kg

Correct Answer: A

Solution :

[a] Part I (8%) : Part II (18%)             = 4 : 6 = 2 : 3 \[\therefore \] Quantity sold at 18%             \[=\frac{3}{5}\times 50=30\,kg\]