Profit earned by selling an article of $Rs.\, 1630$ is same as the loss incurred by selling the article for $Rs.$ $1320 .$ What is the $CP$ in $Rs$?
$1475$
$1300$
$1350$
$1275$
Mohan buys a watch for $Rs.\,350$ and sells it for $Rs.\,392.$ Find out his percentage of profit.
A dealer buys a table listed at $Rs.\, 600$ and gets successive discount of $10 \%$ and $20 \% .$ What is his profit or loss percent if he sells at $Rs.$ $540 ?$
A plate was sold for $Rs.\,6,300$ after giving two successive discounts of $12^{1 / 2} \%$ and $10 \% .$ Find the marked price. (in $Rs.$)
On an order of $5$ dozen boxes of a consumer product, a retailer receives an extra dozen free. This is equivalent to allowing him a discount of........$\%$
In these questions, two equations mabered $I$ and $II$ are given. You have to solve both the equations and mark the appropriate option.
$I$. $x^{2}=16$
$II$.$2 y^{2}-17 y+36=0$