What will come in place of the question mark (?) in the following number series ?
Study the following table and answer the questions that follow. “Graph”
The incomes of companies X and Y in 2010 were in the ratio of 3 : 4 respectively. What was the respective ratio of their expenditures in 2010 ?
If the expenditures of companies X and Y in 2006 were equal and the total income of two companies in 2006 was Rs. 342 crores, what was the total profit of two companies together in 2006 ? (Profit = Income Expenditure)
The expenditure of company X in the year 2008 was Rs. 200 crores and the income of company X in 2008 was the same as its expenditure in 2011. What is the income of Company X in 2011 ?
If the incomes of two companies were equal in 2009, then what was the ratio of expenditure of Company X to that of Company Y in 2009 ?
In each of these questions, two equations (I) and (II) are given. You have to solve both the equations and Give answer :