Question

A shopkeeper buys $x$ kg sugar for Rs. $y$ and sells it at Rs. $z$ per kg. Then expression for his profit can be represented by:

• A. Profit = $x-y+z$
• B. Profit = $y-zx$
• C. Profit = $x-zy$
• D. Profit = $zx-y$

Answer 1

Answer: (D)

Profit = $zx-y$

Amount he sells $x$ kg of sugar = Rs. $z$ per kg.

$\therefore S.P=Rs.zx$ and $C.P=Rs.y$

$\therefore Profit=zx-y$