Average marks in mathematics in class A and B is 80 and 99 respectively. Total number of students in class A is 45 and in class B 50. If from each class 5 least marks are removed thereby average of both classes A and B increase by 3 then find the average of marks removed?

Average marks in mathematics in class A and B is 80 and 99 respectivel

1.	Average marks in mathematics in class A and B is 80 and 99 respectively. Total number of students in class A is 45 and in class B 50. If from each class 5 least marks are removed thereby average of both classes A and B increase by 3 then find the average of marks removed?
A.	70.5
B.	58.5
C.	62.5
D.	64.5
Answer» E.

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Average marks in mathematics in class A and B is 80 and 99 respectively. Total number of students in class A is 45 and in class B 50. If from each class 5 least marks are removed thereby average of both classes A and B increase by 3 then find the average of marks removed?

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