Somesh bought a microwave oven and paid 10% less than its original price. He sold it at 30% profit on the price he had paid. What percentage of profit did Somesh earn on the original price?
Choose the correct choice from the following choices
A) 32% B) 11% C) 20% D) 17% E) None of these
Quicker Method:   % profit which Somesh gets   = –10 +30 – 10×30/100 = +17%   Answer 17%
<result>D</result>
Somesh bought a microwave oven and paid 10% less than its original price. He sold it at 30% profit on the price he had paid. What percentage of profit did Somesh earn on the original price?