Study the given table and answer the question that follows.
The table shows the marks obtained by three students: A, B and C in Mathematics, Chemistry and Physics.
Maximum marks for each subject is 100.

What is the difference in the average marks per student in Mathematics and Physics, respectively?
The table shows the marks obtained by three students: A, B and C in Mathematics, Chemistry and Physics.
Maximum marks for each subject is 100.

What is the difference in the average marks per student in Mathematics and Physics, respectively?
Show answer & explanation
Correct answer: A
Explanation
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