Q. Study the following line graph which gives the percentage profit earned by the three companies A, B and C during the period from 2011 to 2016 and answer the questions given below: 
(a) The income of company B in 2012 was ₹ 60 lakhs, which increased by 30% in the year 2013. Find the expenditure of company B in the year 2013. 6
(b) If the expenditures of companies A, B and C in the year 2016 were equal and their total income in that year was ₹ 870 lakhs, find the profit of each company in that year. 10
(c) If the companies A, B and C had an expenditure of ₹ 200 lakhs, ₹ 300 lakhs and ₹ 400 lakhs respectively in the year 2014, find the ratio of their profits in 2014. 8
(d) If the incomes of companies A, B and C in the year 2015 were equal and their total expenditure in that year was ₹ 1,835 lakhs, find the profit of each company in that year. 12
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