Home
Class 14
MATHS
The average weight of 60 students in a c...

The average weight of 60 students in a class is 56.4 kg. If 12 students having average weight of 59.5 kg leave the class and 15 students having average weight 54kg join the class, then what is the average weight ( in kg) of the students in the class (correct to one decimal place)?

A

56.1

B

55.2

C

58

D

54.9

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Similar Questions

Explore conceptually related problems

The average weight of 45 students in a class is 52 kg. 5 of them whose average weight is 48 kg leave the class and other 5 students whose average weight is 54 kg join the class. What is the new average weight (in kg) of the class?

The average weight of 45 students in a class is 52 kg.Five of them whose average weight is 48 kg leave the class and other 5 students whose average weight is 54 kg join the class. What is the new average weight (in kg) of the class? 52(1)/(3) (b) 52(1)/(2) (c) 52(2)/(3) (d) None of these

The average weight of a class of 15 boys and 10 girls is 38.4 kg . If the average weight of the boys is 40 kg, then what is the average weight of the girls ?

The average weight of some children in a group was 48.5kg .When 6 students having average weight 50.4kg left the group and 4 students having average weight 56.55 kg joined the group, the average weight of the children in the group increased by 0.8 kg. The number of children, initially, in the group was?

The average weight of students in a class was 60.5 kg. When & students, whose average weight was 65 kg, joined the class, then the average weight of all the students increased by 0.9 kg. The total number of students now in the class is:

In a prep school, the average weight of 30 girls in a class among 50 students is 16 kg and that of the remaining students is 15.5 kg. What is the average weight of all the students in the class ?