The table given below shows the marks obtained by 4 students in 5 subjects. The maximum marks of each subject is 100.
What is the difference in the average marks per student for subjects S5 and S2?
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. 15.
| Understanding/Application |
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Difference in the average marks per student for subjects S5 and S2 = (85 + 70 + 66 + 62) - (62 + 52 + 72 + 37) = 23 + 18 - 6 + 25 = 60 |
| Required average = 60/4 = 15 |