The price of cooking oil has increased by 25%. The percentage of reduction that a family should effect in the use of cooking oil so as not to increase the expenditure on this account is?  Choose the correct choice from the following: A) 25% B) 20% C) 23% D) 24% E) none of these
Reduction in consumption   = [(P/(100 + P)] X 100)%   = [(25/(100 + 25)] X 100)%   = 20%   ANSWER:20%
<result>B</result>
The price of cooking oil has increased by 25%. The percentage of reduction that a family should effect in the use of cooking oil so as not to increase the expenditure on this account is?