Math, asked by trishamehra308, 5 hours ago

the mean weight of 12 persons increased by 2.5 kg when a new person comes in place of them by replacing A person whose weight is 68 kg the weight of the new person is:

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Answered by 2017027

1

Answer:

Increased weight=8×2.5=20kg New person weight 65+20=85kg

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