In a pre 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 ?

In a pre school, the average weight of 30 girls in a class among 50 st

1.	In a pre 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 ?
A.	5.2 kg
B.	5.8 kg
C.	5.4 kg
D.	5.6 kg
Answer» C. 5.4 kg

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In a pre 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 ?

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