A shopkeeper sold decks at $Rs.\, 166$ each after giving $17 \%$ discount on labelled price. Had he not given the discount, he would have earned a profit of $25 \%$ on the cost price. What was the cost price of each deck? (in $Rs.$)
$165$
$155$
$160$
$164$
If cost price is $Rs.\, 150$ less than the selling price and profit is $20 \%,$ then what is the selling price (in $Rs.$)?
A reduction of $21 \%$ in the price of an item enables a person to buy $3\, Kg$ more for $Rs.\,100.$ The reduced price of the item per $Kg$ is (in $Rs.$)
While selling an article for $Rs.\, 18450,$ a person suffered a loss of $50 \%$. At what price he should have sold the article (in $Rs.$) to earn a profit of $50 \% ?$
If selling price is doubled, profit triples. Find the profit percent.
Some articles were bought at $6$ for $Rs. 5$ and sold at $5$ for $Rs. 6 .$ Gain percent is