What are the average marks obtained by all the seven students in Physi – InterviewSolution

InterviewSolution

1.	What are the average marks obtained by all the seven students in Physics? (rounded off to two digit after decimal)
Answer» Average marks obtained in Physics by all the seven students = 1 x [ (90% of 120) + (80% of 120) + (70% of 120) 7 + (80% of 120) + (85% of 120) + (65% of 120) + (50% of 120) ] = 1 x [ (90 + 80 + 70 + 80 + 85 + 65 + 50)% of 120 ] 7 = 1 x [ 520% of 120 ] 7 = 624 7 = 89.14.

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