# Line Graph: Exercise-1

Directions: Study the following graph carefully and answer the questions given below it.

Percent profit earned by two companies over the given years.

1. If the expenditure of the company B in 2009 was Rs.150 lacs, what was the income of the company in that year?

1. Rs.155 lacs
2. Rs.175 lacs
3. Rs.195 lacs
4. Rs.210 lacs

Solution: Income of the company B in the year 2009, $$= 150 \times \frac{130}{100}$$ $$= Rs.195 \ lacs$$

1. If the income of the company A in the year 2010 was Rs.900 lacs, what was the expenditure of the company in that year?

1. Rs.720 lacs
2. Rs.725 lacs
3. Rs.730 lacs
4. Rs.732 lacs

Solution: Expenditure of the comapny A in the year 2010, $$= 900 \times \frac{100}{125}$$ $$= Rs.720 \ lacs$$

1. If the income of the company B in the year 2007 was Rs.250 lacs, what was its profit in that year?

1. Rs62.5 lacs
2. Rs65.7 lacs
3. Rs68.2 lacs
4. Rs70.3 lacs

Solution: Let the profit of the company B in the yaer 2007 = Rs.X lacs

Then, $$\frac{X}{250} \times 100 = 25$$ $$X = \frac{125}{2}$$ $$X = Rs \ 62.5 \ lacs$$

1. If the income of two companies in the year 2006 were equal, what was the ratio of their expenditure?

1. 25:26
2. 24:25
3. 23:24
4. 22:23

Solution: Required ratio, $$= \frac{100}{120} \times \frac{115}{100}$$ $$= \frac{115}{120}$$ $$= 23 : 24$$

1. What is the percent increase in profit for company A from the year 2009 to 2011?

1. 140%
2. 120%
3. 110%
4. 100%

Solution: Required percent increase, $$= \frac{30 - 15}{15} \times 100$$ $$= 100 \ \%$$