$A$ man's wages were decreased by $50 \%$. Again,the reduced wages were increased by $50 \%$. He has a loss of:

The sum of three consecutive numbers is $2262$. What is $41\%$ of the highest number?

In a recent survey,$40 \%$ of houses contained two or more people. Of those houses containing only one person,$25 \%$ had only a male. What is the percentage of all houses that contain exactly one female and no males (in $\%$)?

In a school there are $250$ students,out of whom $12$ per cent are girls. Each girl's monthly fee is $₹ 450$ and each boy's monthly fee is $24$ per cent more than that of a girl. What is the total monthly fee of girls and boys together?

In an examination in which full marks were $800,$ $A$ gets $20 \%$ more than $B,$ $B$ gets $20 \%$ more than $C,$ and $C$ gets $15 \%$ less than $D.$ If $A$ got $576,$ what percentage of full marks did $D$ get (approximately) (in $\%$)?

The population of a town $2$ years ago was $62500$. Due to migration to big cities,it decreases every year at the rate of $4\%$. The present population of the town is: