Compound Interest

If $50\%$ students in a school like Mathematics, $20\%$ like English, then what percent of the people like other subjects? If the total number of students in a school are $30000,$then find the exact number who like each type of subject.

If interest is compounded quarterly, then rate will be _____ of the annual rate. (One-fourth / One-third/ Half / Three-fourth).

On selling an article for $₹100$, a man gains $₹15$.  Find his gain per cent. (Write the answer in mixed fraction)

Ajay bought a shirt for $₹336$, including $12\%$ VAT  and a necktie for $₹110$ including $10\%$ VAT. Find the printed price (without VAT) of shirt and necktie together and write the answer with the symbol $₹$.

Amira bought a V.C.R. at the list price of $₹19500$. If the rate of VAT was $7\%$, If the amount he had to pay for purchasing the V.C.R is $₹k$, then find the value of $k$.

A dishonest dealer professes to sell his goods at cost price. But, he uses a false weight and thus gains $6\frac{18}{47}\%$. For a kilogram, he uses a weight of 

Find the compound interest on $₹10000$ for one year at $20\%$ per annum compounded quarterly.

A sum is taken for one year at $9\% \mathrm{p}.\mathrm{a}.$ If interest is compounded after every three months, then how many times will interest be charged in one year?

The interest, calculated on the amount of previous years, is known as _____ interest.

The original price of a shampoo bottle bought for $₹ 324$ if $8\% VAT$ is included in the price is $₹300$.

By selling $50$ pens, a shopkeeper lost the amount equal to the selling price of $10$ pens. Then, his loss per cent is _____$\%$ . (Correct up to two decimal places)

If selling price is $₹600$ and cost price is $₹500$, then profit is _____ %.

$450$ is _____ $\%$ less than $500$.

_____$\%$ of $₹1000=₹800$

Find the value of $10\%$ of $₹1000$.

(Write the answer without unit)

 To change a fraction into a percent, we multiply the fraction by _____.