If the price of petrol increases by 44, by how much must a user cut down his consumption so that his expenditure on petrol remains constant?	Choose the correct answer
A) 25% B) 20% C) 16.67% D) 33.33% E) None of these
Explanation :   let us assume before increase the petrol will be Rs. 100.   After increase it will be Rs (100+44) i.e 144.   Now, his consumption should be reduced to :-   =(144−100)/144 ∗ 100.   Hence, the consumption should be reduced to 30.6%.   Answer : None of these
<result>E</result>
If the price of petrol increases by 44, by how much must a user cut down his consumption so that his expenditure on petrol remains constant?