Math, asked by sharmataanya698, 1 year ago

the average marks of 39 students of a class is 15 the marks obtained by 40th
students are 39 more than the average marks of all the students find the mean marks of all the students 40 students

Answers

Answered by Anonymous
3
Total mark of 30 students is 52=30*52=1560

total mak of six students=31*6=186

total mark of 24 students=1560-186=1374

average is

1374/24=57.25 marks
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