Study the following graph and answer the question that follows.
Marks scored by five students A,B,C,D and E in three subjects (Maths, English and Physics)

What are the approximate average marks obtained by C?
Show answer & explanation
Correct answer: A
Explanation
The correct answer is Option 1 i.e. 80.
Formula Used:
Average =
Explanation:
According to the given graph,
Total marks obtained by C = (80 + 70 + 90) = 240
Average = = 80
Hence the required answer is 80.