Study the following bar graph carefully to answer the questions.
Marks obtained by S in Chemistry is what per cent of the total marks obtained by all the students in Chemistry ?
Marks obtained by S in Chemistry = 120
Total marks obtained by all the students in Chemistry
= 90 + 110 + 100 + 120 + 60 = 480
=> Required % = $$\frac{120}{480} \times 100$$ = 25 %
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