###
**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-**

A. 50 kg
B. 61 kg
C. 86 kg
D. 85 kg
**Answer: Option D**

## Show Answer

Solution(By Apex Team)

Let the weight of 25 person’s = 25x kg
And the new person’s weight = y kg
According to the question,
$\begin{array}{l}\text{⇒ 25x – 60 + y = 25 (x +1)}\\
\text{⇒ 25x – 60 + y = 25x + 25}\\
\text{⇒ y = 85 kg}\end{array}$

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