Home
Class 14
MATHS
There are 40 students in a class. The nu...

There are 40 students in a class. The number of girls is 16 more. than that of boys. If the average weight of the girls in the class is 45 kg and that of the overall class (boys + girls) is 47.7 kg, then what is the average weight of boys? (in kg)

A

51

B

54

C

55

D

56

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Similar Questions

Explore conceptually related problems

In a class room the ratio of number of girls to that of boys is 3:4 . The average height of students in the class is 4.6feet. If the average height of the boys in the class is 4.8 feet, then what is the average height of the girls in the class?

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 ?

There are 50 students in a class, of which 40 are boys. The average weight of the class is 44 kg and that of the grils is 40 kg. find the average weight of the boys.

The ratio of number of girls to number of boys is 1:2. If the average weight of the boys is 30 kg and the average weight of both the boys and the girls be 25 kg, then the average weight of the girls is:

The ratio of number of girls to number of boys is 1 : 2. If the average weight of the boys is 30 kg and the average weight of both the boys and girls be 25 kg, then the average weight of the girls is :

In a class of 60 students, the number of girls is one third the number of boys. Find the number of girls and boys in the class.

In a class, the number of girls is 60% more than that of boys. The average weight of the boys is 2.6 kg more than that of girls. If the average weight of all the boys and girls is 50 kg, then find the average weight ( in Kg. ) of girls. एक कक्षा में, लड़कियों की संख्या लड़कों की संख्या से 60% अधिक है | लड़कियों की तुलना में लड़कों का औसत वजन 2.6 kg अधिक है | यदि सभी लड़कों और लड़कियों का औसत वजन 50 kg है, तो लड़कियों का औसत वजन (kg में) कितना है ?

In a class of 100 students, the average weight is 30 kg. If the average weight of the girls is 24 kg and that of the boys is 32 kg, then what is the number of girls in the class ?

There are 50 students in a class in which boys are 8 more than the girls. Average weight of all the students is 50.5 kg and the average weight of all the girls is 48.5 kg then find the average weight of all the boys.

In a class of 88 students, the number of girls is 20% more than the number of boys. The average height of the boys is 164 cm and the average height of the girls is 4 cm less than the average height of all the boys and girls in the class. What is the average height (in cm) of all the students in the class ?