In a class of 60 students, there are 20 girls who scored an average of 40 marks in the test. What is the average marks of the boys if the average of the class is 60 marks?

In a class of 60 students, there are 20 girls who scored an average of

1.	In a class of 60 students, there are 20 girls who scored an average of 40 marks in the test. What is the average marks of the boys if the average of the class is 60 marks?
A.	60
B.	70
C.	50
D.	80
Answer» C. 50

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In a class of 60 students, there are 20 girls who scored an average of 40 marks in the test. What is the average marks of the boys if the average of the class is 60 marks?

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