$A$ village lost $12 \%$ of its goats in a flood and $5 \%$ of the remainder died from diseases. If the number left now is $8360$,what was the original number before the flood?

$A, B,$ and $C$ shared $Rs. 18500$ such that $A$ received $25\%$ more than $B$ and $B$ received $20\%$ more than $C$. What amount did $A$ receive?

If $x$ is $80 \%$ of $y$,then what percent of $2x$ is $y$?

How many students passed in first class?
Statements:
$I$. $85 \%$ of the students who appeared in the examination have passed either in first class,second class,or pass class.
$II$. $750$ students have passed in second class.
$III$. The number of students who passed in pass class is $28 \%$ of those who passed in second class.

If $12 \%$ of $x$ is equal to $6 \%$ of $y,$ then $18 \%$ of $x$ will be equal to how much per cent of $y$ ?

The percentage increase in the surface area of a cube when each side is doubled is: