The price of cooking oil has increased by 25 %. The percentage of reduction that a farming should effect in the use of cooking oil so as not to increase the expenditure on this account is________?
Q1. The price of cooking oil has increased by 25 %. The percentage of reduction that a farming should effect in the use of cooking oil so as not to increase the expenditure on this account is________?
Answer: 20%
Explanation: To maintain same expenditure after a 25% price rise, consumption must be reduced by 25/125×100 = 20%.