The mean weight of 21 students is 21 kg. If a student weighing 21 kg is removed from the group, then what is the mean weight of the remaining students ?

The mean weight of 21 students is 21 kg. If a student weighing 21 kg is removed from the group, then I what is the mean weight of the remaining students ?

The mean weight of 21 students is 21 kg. If a student weighing 21 kg is removed from the group, then the mean of the remaining students is 20 kg (b) 21 kg 19 kg (d) 18 kg

The mean weight of 21 students is 21 kg. If a student weighing 21 kg is removed from the group, then the mean of the remaining students is (a) 20 kg (b) 21 kg (c) 19 kg (d) 18 kg

The mean weight of a group of 9 students is 19 kg. If a boy of weight 29 kg is joined in the group, then find the mean weight of 10 students.

The mean weight of a group of 9 students is 19 kg . If a body of weight 29 kg is joined in the group , then find the mean weight of 10 students. The following are the steps involved in solving the above problem . Arrange them in sequential order . (A) The mean weight of 10 students = (200)/(10) kg (B) The total weight of 9 students = 9 xx 19 kg = 171 kg (C) The total weight of 10 students = (171 + 29) kg = 200 kg (D) therefore The mean weight = 20 kg

The mean weight of 120 students of a school is 52*75 kg. If the mean weight of 50 of them is 51 kg, find the mean weight of the remaining students.

The mean weight of 120 students of a school is 52*75 kg. If the mean weight of 50 of them is 51 kg, find the mean weight of the remaining students.

The mean weight of 9 students is 25 kg . If one more student is joined in the group the mean is unaltered , then the weight of the 10th student is "_________" (in kg ) .

Find the mean weight of 20 students in your class.

The mean weight of 60 students of a class is 52.75 kg. If the mean weight of 25 of them is 51 kg., find the mean weight of remaining students.