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In a class of 60 students, 40% are girls...

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?
60 छात्रों की एक कक्षा में, 40% लड़कियाँ हैं | लड़कों का औसत वज़न 62 किलो ग्राम तथा लड़कियों का औसत वज़न 55 किलो ग्राम है | पूरी कक्षा का औसत वज़न कितना है

A

59.2kg

B

58.8kg

C

59kg

D

58.6kg

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