There are 40 students in Joe's class. In a 20 marks class test, 10 stu – InterviewSolution

1.	There are 40 students in Joe's class. In a 20 marks class test, 10 students got 16 marks, 20 students got 15 marks and rest 10 students got 10 marks. The weighted average of marks in Joe's class is .
Answer» There are $40$ students in Joe's class. In a $20$ marks class test, $10$ students got $16$ marks, $20$ students got $15$ marks and rest $10$ students got $10$ marks. The weighted average of marks in Joe's class is .

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