Q: In a class of 90 students, 60% are boys and rest are girls average weight of boys is 63 kg and that of girls is 54 kg. What is the average weight of the whole class?
A.
59.4 kg
B.
56.8 kg
C.
58.2 kg
D.
58.5 kg
Correct Answer:
Option A -
Explanations:
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