question_answer

Jaya purchased 150 kg of wheat at the rate of Rs.7 per kg. She sells 50 kg at a profit of 10%. At what rate should she sell the remaining quantity so that she gains an overall profit of 20%?

A)  Rs.8

B)  Rs.8.25

C)  Rs.8.40

D)  Rs.8.75         

E)  Rs.9.50