The average marks of a class of 30 students is 40 and that of another class of 5 – OfficerPath

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MCQ Practice

The average marks of a class of 30 students is 40 and that of another class of 50 students is 60. Find the average marks of all the students?

Subject: MathematicsTopic: Arithmetic

A

50

B

47.5

C

59

D

52.5

Correct Answer: D

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