The list price of a shirt is $Rs.\, 440$ and a customer pays $Rs.\,396$ for it. The discount rate is.......$\%$
$10$
$10^{1 / 2}$
$20$
$12$
A man buys $10$ oranges for a rupee and sells $8$ oranges for a rupee. What is the profit percent?
A sells an article to $B$ at a profit of $20 \%$ and $B$ sells it to $C$ at a loss of $10 \% .$ If $C$ pays $Rs.\,540$ for it, at what price did A buy?
By selling an article for $Rs.\, 21,$ a man lost such that the percentage loss was equal to the cost price. The cost price of the article was (in $Rs.$)
A person sells taperecorders at $Rs. 1134$ each after giving a discount of $19 \%$ on the marked price. Had he not given the discount, he would have earned a profit of $40 \%$ on the cost price. The cost price of each taperecorder is (in $Rs.$)
The cost price of $20$ articles is the same as selling price of $x$ articles. If the profit is $25 \%,$ then the value of $x$ is