cost price of $100$ books is equal to the selling price of $60$ books. The gain or loss percentage will be
$66 \frac{2}{3}$
$66 \frac{1}{4}$
$66$
$66 \frac{3}{4}$
The $CP$ of $19$ article is equal to the selling price of $15$ article. Gain $\%$ is?
The profit earned by selling an article for $Rs.\, 900$ is double the loss incurred when the same article is sold for $Rs.$ $450 .$ At what price should the article be sold to make $25 \%$ profit in $Rs.$?
A vendor bought toffees at $6$ for a rupee. How many for a rupee must he sell to gain $20 \% ?$
If a stall sell a pizza at $Rs.\, 200$ he makes $20 \%$ loss if he wants to make $10 \%$ profit then at what price (in $Rs.$) should he sell?
Harkesh bought a certain quantity of tomato at the rate of $Rs.\,1500$ per quintal. $10 \%$ of the tomato was spoiled. At what price in $Rs.$ per quintal should he sell the remaining to gain $20 \%$ of his outlay?