If the price of sugar rises from Rs. 2 per kg to Rs. 5 per kg, a person, to have no increase in the expenditure on sugar, will have to reduce his consumption of sugar by
Choose the correct choice from the following choices
A) 15 %  B) 20 %  C) 25 %  D) 30 %  E) 60 %

Rationale: "sol . let the original consumption = 100 kg and new consumption = x kg . so , 100 x 2 = x × 5 = x = 40 kg . ∴ reduction in consumption = 60 % . answer e"
Answer: E