Question

The mean weight of a group of 10 children is 40 kg. One more student weighing 51 kg joins the group. The mean weight of the group now is:​

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

40kg + 51 kg

40 kg and 51 kg children in total so,

If we add we get 40 kg + 51 kg = 91

Therefore the weight of the group is 91 kg.

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