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The average weight of 40 children of a class is 36.2 kg. When three more children with weight 42.3 kg, 39.7 kg and 39.5 kg join the class, the average weight of the 43 children in the class is:
5Q:
The average weight of 40 children of a class is 36.2 kg. When three more children with weight 42.3 kg, 39.7 kg and 39.5 kg join the class, the average weight of the 43 children in the class is:
- 139.2 kgfalse
- 236.5 kgtrue
- 338.35 kgfalse
- 437.3 kgfalse
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