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Average weight of 25 persons is increased by 1 kg when one person weighing 60 kg is replaced by a new person. Weight of new the person is-
Answer & Solution
Correct Answer:
Option
D
Let the weight of 25 person's = 25x kg
And the new person's weight = y kg
According to the question,
⇒ 25x - 60 + y = 25 (x +1)
⇒ 25x - 60 + y = 25x + 25
⇒ y = 85 kg
And the new person's weight = y kg
According to the question,
⇒ 25x - 60 + y = 25 (x +1)
⇒ 25x - 60 + y = 25x + 25
⇒ y = 85 kg
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