Average weight of 25 persons is increased by 1 kg when…

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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-

  1. A. 50 kg
  2. B. 61 kg
  3. C. 86 kg
  4. D. 85 kg

Answer: Option D

Here is complete explanation of Average weight of 25 persons is increased by 1 kg when….

Solution(By ExamCraze Team)

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

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