If the cost price of $21$ watches is equal to the selling price of $18$ pieces, then what would be the gain percent in this transaction?
$6 \frac{1}{2}$
$7$
$16 \frac{2}{3}$
None of these
A manufacturer fixes his selling price at $33 \%$ over the cost of production. If cost of production goes up by $12 \%$ and manufacturer raises his selling price by $10 \%,$ his percentage profit is
If the cost price is $96 \%$ of the selling price, then what is the profit percent?
When a book is sold at its Marked Price it gives a profit of $40 \% .$ What $\%$ will happen if it is sold at half the marked Price?
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 expects a gain of $22 \frac{1}{2} \%$ on his cost price. If in a week, his sale was of $Rs. \,392$ what was his profit? (in $Rs$)