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Answer: Data represented by bar graph is as follows::






























               Difference of marks of 1st term and 2nd term

               English = 70 – 67 = 3, Hindi = 65 – 72 = -7, Math = 95 – 88 = 7, Science = 85 – 81 =
               4, S. Science = 75 – 73 = 2

               (i) He has most improved in Math..


               (ii) In S. Science subject, his improvement is least.

               (iii) Yes, in Hindi subject, his performance has gone down.
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