Q495
Suppose the average weight of 9 persons is 50 kg. Average weight of the first 5 person is 45 kg, whereas average weight of the last 5 persons is 55 kg. then the weight of the 5th member will be
A.
45.0 kg
B.
47.5 kg
C.
50.0 kg
AnswerD.
52.5 kg
Answer: Option C
Solution
Answer: Option C
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