The mean weight per student in a group of 7 students is 55 kg. The individual weights of 6 of them (in kg) are 52,54,55,53,56 and 54. Find the weight of the seventh student.

The mean weight per student in a group of 7 students is 55kg .The individual weights of 6 of them (in kg) are 52,54,55,53,56 and 54. Find the weight of the seventh student.

The mean weight per student in a group of 7 students is 55 kg.The individual weights of 6 of them (in kg) are 52,54,53,56 and 54. Find the weight of the seventh student.

The mean weight per student in a group of 7 students is 55 kg. The individual weights of 6 of them (in kg) are 52, 54, 53, 56 and 54. Find the weight of the seventh student.

The mean weight per student in a group of 7 students is 55 kg. The individual weights of 6 of them (in kg) are 52, 54, 53, 56 and 54. Find the weight of the seventh student.

The mean weight of 6 boys in a group is 48 kg. the individual weight of five of them are 51kg,45kg,49kg,46kg and 44kg. Find the weight of the sixth boy.

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 25 students of a class is 48 kg. If the mean weight of first 13 students is 50 kg and the last 13 students is 46 kg. Find the weight of the 13th students?

The average weigth of 25 students is 16 kg. The average weight of the first 12 students is 14 kg and of the last 12 students is 17 kg . Find the weight of the thirteenth students.