A) 40 marks
B) 35 marks
C) 32 marks
D) 45 marks
Correct Answer: A
Solution :
Marks scored by 2 students \[=100\times 2=200\] Marks scored by 3 students \[=100\times 2=200\] Marks scored by 15 students = 15 x 40 = 600 \[\therefore \] Marks scored by 20 students = 200 + 0 + 600 = 800 \[\therefore \] Average marks \[=\frac{800}{20}=40\]You need to login to perform this action.
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