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 option:
A) 15%
B) 20%
C) 25%
D) 30%
E) None
Explanation:   Reduction in consumption:   =(25/125×100)%=20%   Correct Option: 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 :