The mean weight of 150 student is 60kg if mean weight of boys is 70kg and girls in 55kg then no. Of girls
Answers
Answered by
7
total student 150
total mean weight of student 60kg
boys mean weight 70
so no. of girls is 40 more
total mean weight of student 60kg
boys mean weight 70
so no. of girls is 40 more
Similar questions