In these questions, two equations mabered $I$ and $II$ are given. You have to solve both the equations and mark the appropriate option.
$I$. $x^{2}=16$
$II$.$2 y^{2}-17 y+36=0$
If $x>y$
If $x \geq y$
If $x< y$
$x \leq y$
The ratio between selling price and cost price of an article is $7: 5 .$ What is the ratio between the profit and the cost price of that article?
An article which is marked at $Rs.\, 975$ is sold for $Rs.\, 897$. The $\%$ discount is?
A machine is sold at a profit of $15 \%$. Had it been sold for $Rs\,540$ more $24 \%$ would have been gained. Find the cost price.
A person incurs $5 \%$ loss by selling a watch for $Rs.\,1140 .$ At what price should the watch be sold to earn $5 \%$ profit in $Rs.$?
A dealer marks his goods $30 \%$ above his cost price and then allows $15 \%$ discount on it. What is the cost price of an article on which he gains $Rs.\,84?$