The performance of a student in 1^st Term and 2^nd Term is given. Draw a double bar graph choosing appropriate scale and answer the following: 
(i) In which subject, has the child improved his performance the most?
(ii) In which subject is the improvement the least?
(iii) Has the performance gone down in any subject?

Solution:

We use the given information to draw the double bar graph required.

Difference between the marks of 1st and 2nd term.

English = 70 - 67 = 3

Hindi = 65 - 72 = -7 (Decrease in marks)

Math = 95 - 88 = 7

Science = 85 -81= 4

Social Science = 75 - 73 = 2

(i) In Math, the performance of the students improved the most as the increase is from 88 to 97 (increase by 7 marks).

(ii) In Social science, the performance of the student improved the least as the increase is from 73 to 75 (increase by 2 marks)

(iii) Yes, in Hindi the performance of the students has gone down as the marks reduces from 72 to 65 (decrease by 7 marks)

☛ Check: NCERT Solutions for Class 7 Maths Chapter 3

Video Solution:

The performance of a student in 1^st Term and 2^nd Term is given. Draw a double bar graph choosing appropriate scale and answer the following: (i) In which subject, has the child improved his performance the most? (ii) In which subject is the improvement the least? (iii) Has the performance gone down in any subject?

NCERT Solutions for Class 7 Maths Chapter 3 Exercise 3.3 Question 4

Summary:

The performance of a student in 1^st Term and 2^nd Term is given. A double bar graph by choosing the appropriate scale has been drawn.  (i) In Math, the performance of the students improved the most, (ii) In Social science, the performance of the students improved the least., (iii) Yes, in Hindi the performance of the students has gone down.

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