Q214
A school has 4 sections of chemistry in Class X having 40, 35, 45 and 42 students. The mean marks obtained in Chemistry test are 50, 60, 55 and 45 respectively for the 4 sections. Determine the overall average of marks per student.
A.
50.25
B.
51.25
C.
52.25
AnswerD.
53.25
Answer: Option C
Solution
Answer: Option C
Solution:
Average marks