# Formulas For Line Chart

## Formulas of Line Chart In Data Interpretation

Here , In this Page Formulas of Line Chart in Data Interpretation is given.

### Important Facts

A line graph is a graphical display of information that changes continuously over time.

A line graph may also be referred to as a line chart. Within a line graph, there are points connecting the data to show a continuous change.

The lines in a line graph can descend and ascend based on the data. We can use a line graph to compare different events, situations, and information.  Here , In this Page Formulas of Line Chart in Data Interpretation is given.

### Important Facts

A line graph is a graphical display of information that changes continuously over time.

A line graph may also be referred to as a line chart. Within a line graph, there are points connecting the data to show a continuous change.

The lines in a line graph can descend and ascend based on the data. We can use a line graph to compare different events, situations, and information.

#### Common data Question for Questions 1-3:

Study the following graph carefully and answer the questions given below (Profit is taken as the % of expenditure.) ### Question1.

What would be the ratio of income of company B in 1996 to the income of company A in 1993?

A. 9 : 10

B. 10 : 9

C. 3 : 2

D. 15 : 13

Solution
Income of Company B in 1996 = 60 lakh. Income of company A in 1993 = 40 lakh. Required ratio = $\frac{60}{40}$ = 3:2

### Question 2 .

If the expenditure of company B in 1997 is Rs. 50 lakhs, the percent profit earned by both the companies A and B in 1997 is equal, then what is the amount of profit earned by company A in 1997 (approximately)?

A. Rs. 5 lakhs

B. Rs. 4.5 lakhs

C. Rs. 5.5 lakhs

D. Rs. 6.2 lakhs

Solution
Income of company B in 1997 = 55 lakh.
Expenditure of company B in 1997 = 50 lakh.
% profit = 10%
Expenditure = $\frac{60}{1.1}$ = 54.5 ⇒ amount of profit = 60 – 54.5 = 5.5 lakh

### Question 3.

If in the year 1995, company ‘B’ had a profit of 25%, what approximately was its expenditure in the year 1995 ?

A. Rs. 22 lakhs

B. Rs. 29 lakhs

C. Rs. 40 lakhs

D. Rs. 27 lakhs

Solution
For company ‘B’ profit = 25%. Income of company B = 50 lakh in 1995
Required expenditure = $\frac{50}{1.25}$ = 40 lakh

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