Question

The price of rice is increased by 30 %, but in spite of increase, amit increased his consumption of rice by 30 %. what is the percentage change in his monthly expenditure on rice?

Answer 1

69% expenditure is increased because if he invested rs.100 in past now he needs to put 130 rs for the same and after increasing 30% again we get 169 which brings to the massive change of expenditure by 69 % ( you must use this method)