Percentage Mcqs

Q.  The price of a certain item is increased by 15 %. If a consumer wants to keep his expenditure on the item same as before how much percent must he reduce his consumption of that item?

a. 10 20/23 %
b. 13 1/23 %
c. 16 2/3 %
d. 15 %


ANSWER: See Answer
 
Reduction % in consumption

= {r/(100+r) ×100} % =(15/115 × 100)%

= 300/23 % = 13 1/23 %
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