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The following bar graph shows the Income and Expenditures (in million US $) of five companies in the year 2001. The percent profit or loss of a company is given by
% Profit/Loss =  Income  Expenditure  x 100 
Expenditure 
Income and Expenditure (in million US $) of five companies in the year 2001.
1.  The companies M and N together had a percentage of profit/loss of? 

Answer: Option D Explanation: Total income of Companies M and N together = (35 + 50) million US $ = 85 million US $ Total expenditure of Companies M and N together = (45 + 40) million US $ = 85 million US $. Percent Profit/Loss of companies M and N together
Thus, there was neither loss nor profit for companies M and N together. 
2.  In 2001, what was the approximate percentage of profit/loss of all the five Companies taken together? 

Answer: Option A Explanation: Total income of all five companies = (35 + 50 + 40 + 40 + 50) million US $ = 215 million US $. Total expenditure of all five companies = (45 + 40 + 45 + 30 + 45) million US $ = 205 million US $.

3.  Which company earned the maximum percentage profit in the year 2001? 

Answer: Option D Explanation: The percentage profit/loss in the year 2001 for various comapanies are:
Clearly, the Company Q earned the maximum profit in 2001. 
4.  For Company R, if the expenditure had increased by 20% in year 2001 from year 2000 and the company had earned profit of 10% in 2000, what was the Company's income in 2000 (in million US $)? 

Answer: Option D Explanation: Let the expenditure of Company R in 2000 be x million US $.
i.e., expenditure of Company R in 2000 = 37.5 million US $. Let the income of Company R in 2000 be I million US $.
I  37.5 = 3.75 I = 41.25 i.e., Income of Company R in 2000 = 41.25 million US $. 
5.  If the income of Company Q in 2001 was 10% more than its income in 2000 and the Company had earned a profit of 20% in 2000, then its expenditure in 2000 (in million US $) was? 

Answer: Option B Explanation: Let the income of Company Q in 2001 = x million US $.
Let the expenditure of Company Q in 2000 be E million US $.
Expenditure of Company Q in 2000 = 30.30 million US $. 