The performance of a student in 1ˢᵗ 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?

Difference of marks of 1ˢᵗ term and 2ⁿᵈ term
English = 70 – 67 = 3
Hindi = 65 – 72 = -7
Maths = 95 – 88 = 7
Science = 85 – 81 = 4
S. Science = 75 – 73 = 2
(i) He has most improved in Maths subject.
(ii) In S. Science subject, his improvement is less.
(iii) Yes, in Hindi subject, his performance has gone down.

Class 7 Maths Chapter 3 Exercise 3.3

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