If the ratio of the cost price and selling price of an article is $20: 21,$ then what will be the profit percent?
$5$
$4.5$
$6$
$7.5$
A shopkeeper allows a discount of $12.5 \%$ on the marked price of a certain article and makes a profit of $20 \% .$ If the article costs the shopkeeper $Rs. 210$, then the marked price of the article will be (in $Rs.$)
A shopkeeper professes to sell his goods at cost price but uses a $930$ $gm$ weight instead of $1$ kilogram weight. What will be the profit per cent of the shopkeeper?
$'A ^{\prime}$ sells a good to $'B ^{\prime}$ at a profit of $10 \%$ and $B$ sells it to $'C ^{\prime}$ at a profit of $20 \% .$ Find out the resultant profit. (in $Rs.$)
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?