Instructions: Study the following table carefully to answer these questions.
Percentage of marks obtained by six students in six different subjects.
Total marks obtained by Ritesh in all the subjects together = 79% of 50 + 87 % of 50 + 88% of 150 + 93 % of 100 + 82% of 75 + 72% of 75
= 39.5 + 43.5 + 132 + 93 + 61.5 + 54
= 423.5
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