Study the following bar graph carefully to answer the questions.
What is the respective ratio between the total marks obtained by P in Physics and Chemistry together to the total marks obtained by T in Physics and Chemistry together ?
Total marks obtained by P in Physics and Chemistry = 130 + 90 = 220
Total marks obtained by T in Physics and Chemistry together = 50 + 60 = 110
=> Required ratio = 220 : 110 = 2 : 1
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