Ishan spent $Rs. 35645$ on buying a bike,$Rs. 24355$ on buying a television,and the remaining $20\%$ of the total amount he had as cash with him. What was the total amount he had?

$16 \frac{2}{3} \%$ of $600 \, \text{gm} - 33 \frac{1}{3} \%$ of $180 \, \text{gm}$

On a test consisting of $150$ questions,Rita answered $40 \%$ of the first $75$ questions correctly. What per cent of the other $75$ questions does she need to answer correctly for her grade on the entire exam to be $60 \%$?

If the numerator of a fraction is increased by $120 \%$ and the denominator is also increased by $350 \%$,then the fraction becomes $\frac{11}{27}$. What was the original fraction?

Harjeet spends $50 \%$ of his monthly income on household items,$20 \%$ of his monthly income on buying clothes,$5 \%$ of his monthly income on medicines and the remaining amount of $Rs. 11250$ he saves. What is Harjeet's monthly income?

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?