$P$ is $20\%$ more than $Q$ and $40\%$ less than $R$. If the value of $Q$ is $₹ 150$,then what is the value of $R$ (in $₹$)?

What is $15$ percent of Rs. $34$?

Depreciation applicable to an equipment is $20 \%$. The value of the equipment $3$ years from now will be less by: (in $\%$)

One number is $25 \%$ of another number. The larger number is $12$ more than the smaller. The larger number is

If $A$'s salary is $20\%$ higher than $B$'s,then how much percent is $B$'s salary less than $A$'s salary?

The price of electricity has been increased by $25 \%$. If a person wants to keep the expenditure same,then the percentage reduction in use of electricity should be: (in $\%$)