## 105. The mean weight of 150 students in a certain class is 60 kg. The mean weight of boys is 70 kg and that of girls is 55 kg

Question

105. The mean weight of 150 students in a

certain class is 60 kg. The mean weight

of boys is 70 kg and that of girls is

55 kg. What are the number of boys

and girls respectively in the class?

(a) 75 and 75

(b) 50 and 100

(c) 70 and 80

(d) 100 and 50

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2021-08-16T17:54:18+00:00
2021-08-16T17:54:18+00:00 1 Answer
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## Answers ( )

Answer:answer is (a) 75 and 75

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