Q. 414.7( 3 Votes )

# Read the bar graph given below and answer the following questions:

Scale: 1 unit = 50 students

A. What information is given by the bar graph?

B. In which year is the number of students maximum?

C. In which year is the number of students twice as that of 2001-02?

D. In which year did the number of students decrease as compared to previous year?

E. In which year is the increase in number of students maximum as compared to the previous year?

Answer :

(A) The bar graph gives the information about the number of students in each academic year starting from 2001 to 2006.

(B) 2005-06

From the graph, it can be observed that the number of students in the year 2005-06 is 350 which is the most number among all the years.

(C) From the graph, it can be observed that the number of students in the year 2001-02 = 150

the number of students in the year 2002-03 = 200

the number of students in the year 2003-04 = 150

the number of students in the year 2004-05 = 300

the number of students in the year 2005-06 = 350

Therefore, the no. of students in year 2004-05 = 300 = 2 150

= 2 no. of students in year 2001-02

(D) 2003-04

From the graph, it can be observed that in year 2003-04 the number of students decreased to 150 from the 200 of the previous year 2002-03

(E) 2004-05

In the year, 2004-05 the number of students increased to 300 from 150 of the previous year 2003-04 . The increase in the number is 150 which is the maximum.

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In a bar graph, the width of bars may be unequal.

NCERT - Exemplar MathematicsIn a bar graph, the gap between two consecutive bars may not be the same.

NCERT - Exemplar MathematicsIn a bar graph, each bar (rectangle) represents only one value of the numerical data.

NCERT - Exemplar Mathematics