After selling $5 \%$ of a quantity of sugar, $5\, kg$ of sugar remains. Find the total quantity of sugar. in $kg$
$19$
$5 \frac{5}{19}$
$100$
$95$
Hundred oranges are bought at the rate of $Rs.\, 350$ and sold at the rate of $Rs.\, 48$ per dozen. The percentage of profit or loss is
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$?$
What profit/loss percent did Ravi earn if he purchased an item of $Rs.\,5600$ and sold it at $3/4$ of its cost price?
By Selling $80\, ball$ pens for $Rs.\, 140$, a retailer loses $30 \% .$ How many ball pens should he sell for $Rs.\,104$ so as to make a profit of $30 \% ?$
In these questions, two equations mabered $I$ and $II$ are given. You have to solve both the equations and mark the appropriate option.
$I.$ $2 x^{2}+19 x+45=0$
$II.$ $2 y^{2}+11 y+12=0$