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The following table gives the percentage of marks obtained by 6 students in 6 subjects in an examination. The numbers in brackets are the maximum marks in each subject (120 for every subject).…

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The following table gives the percentage of marks obtained by 6 students in 6 subjects in an examination. The numbers in brackets are the maximum marks in each subject (120 for every subject).

STUDENTS Physics (120) Biology (120) Maths (120) Geology (120) Economics (120) English (120)
A 70 75 70 65 60 70
B 80 70 75 60 50 75
C 75 72 71 70 60 65
D 60 70 65 55 60 70
E 70 75 65 50 55 60
F 65 70 60 65 50 60


Find the average marks obtained by a student in Physics and Economics respectively.
  1. 84, 67
  2. 65, 83
  3. 66, 85
  4. 56, 70

Answer and explanation

Correct answer: A - 84, 67
Physics average % = (70+80+75+60+70+65)/6 = 70%, i.e. 0.70*120 = 84 marks. Economics average % = (60+50+60+60+55+50)/6 = 55.83%, i.e. 0.5583*120 = 67 marks. So 84, 67.

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  • JIPMAT

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