1.

A man sold 200 chairs and had a gain equal to selling price of 40 chairs. What is his profit percentage? 1). 202). 253). 104). 15

Answer»

Let, cost PRICE of each chair = Rs. X

Selling price of each chair = Rs. y

According to problem,

⇒ 200y - 200X = 40y

⇒ 160y = 200x

⇒ y = 5x/4

∴ Profit percentage,

$( \Rightarrow \FRAC{{\frac{{5x}}{4} - x}}{x} \times 100\% )$ 

⇒ ¼ × 100%

⇒ 25%



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