
The provided bar graphs outline the population and national income of a country from the fiscal years 2014-15 to 2019-20. For each of the ensuing questions, select the most suitable option.
The following graph shows the revenue generated by three companies A, B and C in different years. Study the graph and answer the questions that follow.



If the price of a commodity increases by 25%, by what percentage should the consumption be reduced to keep the expenditure the same?
A shopkeeper marks his goods 40% above cost price and offers a 10% discount. What is his percentage profit?