Mathematics, 22.01.2021 19:30, lindalou6483

18. 100 students took a test. The result of those who secured less than
60% mark are given below:
Marks
0-20 20-40
40-60
No. of students
16
24
30
If the average mark of all students was 50, find out the average
marks of those who secured more than 60% marks.
18

Answers: 1

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18. 100 students took a test. The result of those who secured less than
60% mark are given bel...