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Question 54
Study the following table and answer questions:
Number of students studying in five schools of a city
In how many schools, the number of girls is more than the average number of boys per school?
Solution
Total number of boys in all the schools isÂ
(9/17)*680=360
(4/9)*720=320
(5/18)*540=150
(2/3)*660=440
(13/25)*900=468
Sum=1838
average=1838/5 =367
Number of girls in each school=680-360=320
720-320=400
540-150=390
660-440=220
900-468=432
Therefore three schools have the girls more than average boys per school.
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