In a class of 39 students there are 36 girls. The average weight of th – McqOptions

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1.	In a class of 39 students there are 36 girls. The average weight of these girls is 38 Kg and average weight of the full class is 40 kgs. What is the averageÂ weight of the boys of the class?
A.	42
B.	64
C.	20
D.	62
Answer» C. 20

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