A man sells two articles, each for $Rs.\,640.$ He earns $20 \%$ profit on the first, and $40 \%$ profit on the second. Find his overall percent profit.
$29 \frac{1}{2}$
$28 \frac{1}{2}$
$29 \frac{3}{13}$
None of these
A man sells an article at $5 \%$ above its cost price. If he had bought it at $5 \%$ less than what he had paid for it and sold it at $Rs.\, 2$ less, he would have gained $10 \% .$ The cost price of the article is (in $Rs.$)
A man buys an article for $10 \%$ less than its value and sells it for $10 \%$ more than its value. His gain or loss percent is
A person purchased a saree for $Rs.\,7710$ after availing a net discount of $Rs.\,1285.$ The percentage of discount, the saree$-$shop offers, is
A person bought an article for $Rs\,240.$ For how much should he sell it so as to lose $20 \% ?$
If profit is $\left(\frac{1}{11}\right)$ th of selling price, what is the profit percent?