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 class average is 60 marks?
Options
A. 60
B. 70
C. 50
D. D)
Correct Answer
70
Average problems
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1. Average of all even numbers between 222 and 250 is __________.
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