For company R, if the expenditure has increased by 20% in the year 2001 from the year 2000 and the company had earned profit of 10% in 2000, the company’s income in 2000 was ? (in crore)
Solution
Expenditure of company R in 2001 (in crores) = Rs. 45
=> Expenditure of company R in 2000 (in crores) = $$\frac{45}{(100+20)}\times100=Rs.$$ $$37.5$$
Profit % in 2000 = 10%
=> Income of company R in 2000 (in crores) = $$\frac{(100+10)}{100}\times37.5=Rs.$$ $$41.25$$
