In a class of 60 students, 40% are girls. The average weight of the boys is 62 kg and that of the girls is 55 kg. What is the average weight of the whole class?
A. 59.2 kg
B. 58.5 kg
C. 59 kg
D. 58.6 kg
Answer: Option A
Solution (By Examveda Team)
Total weight = 36 × 62 + 24 × 55 = 2232 + 1320 = 3552
Average = $$\frac{{3552}}{{60}}$$ = 59.2 kg
This Question Belongs to Arithmetic Ability >> Average
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