Sum of weights of a class of 20 is 290 kg. Another student of weight 25 kg is also enrolled. Find the new average of the class.

Question:Sum of weights of a class of 20 is 290 kg. Another student of weight 25 kg is also enrolled. Find the new average of the class.

1.15 kg

2.17 kg

3.21 kg

4.14 kg


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