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A group consists of 25 men and 20 women. The average weight of men is 48 kg and that of women is 30 kg. The average weight of the group is
5Q:
A group consists of 25 men and 20 women. The average weight of men is 48 kg and that of women is 30 kg. The average weight of the group is
- 135 kgfalse
- 239 kgfalse
- 340 kgtrue
- 445 kgfalse
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