The daily wage is increased by $25 \%$ and a person now gets $₹ 25$ per day. What was his daily wage before the increase?

The sum of the number of boys and girls in a school is $150$. If the number of boys is $x$,then the number of girls becomes $x\%$ of the total number of students. The number of boys is

Suresh gave $40 \%$ of his income to his wife. He gave $25 \%$ of the remaining amount to his son. Of the remaining amount,he spent $60 \%$ on education. Now,the amount with him is $₹ 2700$. What is the amount he gave to his wife?

Which one of the following shows the best percentage?

If $90 \%$ of $A = 30 \%$ of $B$ and $B = x \%$ of $A$,then the value of $x$ is

The monthly income and monthly expenditure of a person were $₹ 13500$ and $₹ 9000$ respectively. In the next year,his income increased by $14 \%$ while his expenditure increased by $7 \%$. The percentage increase in his savings is: (in $\%$)