The average weight of a class of 50 stud...

The average weight of a class of 50 students Is 48.6 kg. If the average weight of the 20 boys is I 54 kg, then find the average weight (in kg.) of the girls in the class.

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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 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, 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 ?

The average weight of 25 students of a class is 28 kg. If the average weight of all the boys is 30 kg and average weight of all the girls is 25 kg, then find the number of boys in the class.

The average weight of a class of 40 students is 30 and the average weight of a class of 20 students is 15. Find the average weight of both the combined classes :

The average weight of a class of 40 students in 30 and the average weight of a class of 20 students is 15. Find the average weight of both the combined classes:

The average weight of 55 students is 55 kg , and the average weight of another 45 students is 45 kg . Find the average weight of all the students .

CHAMPION PUBLICATION-2017 TIER-II PAPER(12)-EXERCISE

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