Observe this bar graph which shows the marks obtained by Aziz

Observe this bar graph which shows the marks obtained by Aziz in half yearly examination in different subjects.
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Answer the given questionsn.
(a) What information does the bar graph give?
(b) Name the subject in which Aziz scored maximum marks.
© Name the subject in which he has scored minimum marks.
(d) State the names of the subjects and marks obtained in each of them.