$A$'s salary is $20 \%$ less than $B$'s salary. Then $B$'s salary is more than $A$'s salary by:

What per cent of a day is $3$ hours?

From a container having pure milk,$20 \%$ is replaced by water and the process is repeated thrice. At the end of the third operation,the milk is: (in $\%$ pure)

$A$ sum of Rs. $2236$ is divided among $A$,$B$,and $C$ such that $A$ receives $25\%$ more than $C$ and $C$ receives $25\%$ less than $B$. What is $A$'s share in the amount?

During one year,the population of a town was increased by $5 \%$ and during the next year,the population decreased by $5 \%$. If the total population is $9975$ at the end of the second year,then what was the population size in the beginning of the first year?

If the price of a shirt is increased by $25 \%$ and then decreased by $30 \%$,then what will be the net effect?