Embibe Experts Solutions for Chapter: Data Interpretation, Exercise 3: Line Graph Representation Of Data

In a school the periodical examinations are held every second month. In a session during Apr. 2001-Mar. 2001. a student of Class IX appeared for each of the periodical exams. The aggregate marks obtained by him in each periodical exam are represented in the line-graph given below. Study the graph and answer the question based on it.

MARKS OBTAINED BY A STUDENT IN SIX PERIODICAL EXAMS HELD IN EVERY TWO MONTHS DURING THE YEAR IN THE SESSION 2001-02.
Maximum Total Marks in each Periodical Exam = 500

The total number of marks obtained in Feb. 02 is what percent of the total marks obtained in Apr. 01?

The following line-graph gives the ratio of the amounts of imports by a Company to the amount of exports from that company over the period from $1995$ to $2001.$ The question given below are based on this graph.
Ratio of Value of Imports to Exports by a Company over the Years



If the imports in $1998$ was $\mathrm{Rs}.250$ crores and the total exports in the years $1998$ and $1999$ together was $\mathrm{Rs}.500$ crores, then the imports in $1999$ was:

Study the following line-graph and answer the question based on it.
Number of Vehicles Manufactured by Two Companies over the Years

What is the difference between the total productions of the two companies in the given years?

The following line-graph gives the percentage of the number of candidates who qualified an examination out of the total number of candidates who appeared for the examination over a period of seven years from 1994 to 2000. Study the graph and answer the question based on it. Percentage of Candidates Qualified to Appeared in an Examination Over the years

The difference between the percentages of candidates qualified to appeared was maximum in which of the following pairs of years?

Answer the question based on the line-graph given below.

Ratio of Exports to Imports (in terms of money in Rs.crores) to Two Companies Over the Years.

In which year(s) was the difference between imports and exports of Company B the maximum?

Study the following graph and answer the question based on it.

Exports from Three Companies Over the Years (in Crores Rs.)

Average annual exports during the given period for Company Y is approximately what percent of the average annual exports for company Z?

The following line-graph gives the percent profit earned by two companies X and Y during the period 1996-2001. Study the line-graph and answer the question that are based on it.
Percentage Profit Earned by Two Companies X and Y over the Given Years
% Profit/Loss $=$ Income $-$ Expenditure/Expenditure $*100$

If the expenditures of Companies X and Y in 1996 were equal and the total income of the two companies in 1996 was $\mathrm{Rs}.342 \mathrm{crores},$ what was the total profit of the two companies together in 1996? (Profit $=$ Income $-$ Expenditure)

In a school, the periodical examinations are held every second month. In a session during Apr. $2001$-Mar. $2001$. A student of Class $IX$ appeared for each of the periodical exams. The aggregate marks obtained by him in each periodical exam are represented in the line-graph given below. Study the graph and answer the question based on it.

Marks obtained by a student in six periodical exams held in every two months during the year in the session $2001-02.$
Maximum Total Marks in each Periodical Exam$= 500$

What are the average marks obtained by the student in all the periodical exams during the session?