A men gains $20 \%$ by selling an article for a certain price. If he sells it at double the price, what will be the percentage of profit?
$10$
$30$
$15$
$140$
A man sold two watches for $Rs.\,3750$ each. On one he gained $5 \%,$ and on the other, he lost $5 \% .$ What was his total gain or loss percentage$?$
A man buys $10$ articles for $Rs.\, 8$ and sells them at $Rs.\, 1.25$ per article. His gain percent is
If the selling price is tripled and cost price doubled the profit would become $65 \% .$ What is the present profit (in $\%$)?
A man buys a cycle for $Rs$ $1400$ and sells it at a loss of $15 \% .$ What is the selling price of the cycle? (in $Rs.$)
A vendor bought toffees at $6$ for a rupee. How many for a rupee must he sell to gain $20 \% ?$