2
Question
Read the bar graph given below and answer the following questions:
Scale : 1 unit = 50 students
(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?
Scale : 1 unit = 50 students
(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?
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Solution
Scale : 1 unit = 50 students
(d) From the bar graph,
there is decrease in the height of bar 2003−04 as compared to previous year 2002−03.
(e) From the bar graph,
Increase in the number of students in the year 2002-03 compared to the previous year
= 200 – 150
= 50
Increase in the number of students in the year 2004-05 compared to the previous year
= 300 – 150
= 150
Increase in the number of students in the year 2005−06 compared to the previous year
=350−300
=50
∴ The year is 2004−05 in which the increase in number of students is maximum as compared to the previous year
(d) From the bar graph,
there is decrease in the height of bar 2003−04 as compared to previous year 2002−03.
(e) From the bar graph,
Increase in the number of students in the year 2002-03 compared to the previous year
= 200 – 150
= 50
Increase in the number of students in the year 2004-05 compared to the previous year
= 300 – 150
= 150
Increase in the number of students in the year 2005−06 compared to the previous year
=350−300
=50
∴ The year is 2004−05 in which the increase in number of students is maximum as compared to the previous year
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