Percents and Fractions

Amit deposited two parts of a sum of ₹ 25000 in different banks at the rates of 15% per annum and 18% per annum respectively.In one year he got ₹ 4050 as the total interest.What was the amount deposited at the rate of 18% per annum?

A wooden boat with a density of 0.48 g/cc is floating in a vat of oil whose density is
0.80 g/cc.
What percentage of the boat is floating above the surface of the oil?

The expenditure and saving of an employee are in the ratio $3:2$. His income increases by $15\%$ but at the same time his expenditure also increases by $20\%$. Find increase or decrease in his savings ?

A towel, when bleached, was found to have lost $20\%$ of its length and $10\%$ of its breadth. The percentage of decrease in area is:

$8\%$ of the voters in the election did not cast their votes. In this election, there were only two candidates. The winner by obtaining $48\%$ of the total votes defeated his contestant by $1100$ votes. The total number of voters in the election was$:$

A person earns $₹12250$ per month and he spends $₹8125$ in that month, what is the ratio of the money he saved and spent?

एक व्यापारी अपनी वस्तु का मूल्य इस प्रकार अंकित करता है कि नकद खरीदारी पर $12.5 \%$छूट देने के बाद भी वह $20\%$लाभ कमाता है | यदि वस्तु का क्रय मूल्य $140$रू.है तो उसका अंकित मूल्य क्या होगा ?

Fresh fruit contains $68\%$ water and dry fruit contains $20\%$ water. How much dry fruit can be obtained from $100 \mathrm{kg}$ of fresh fruits?

A bank pays $16.5\%$ per annum as interest on its deposits while it charges $20\%$ per annum as interest from its borrowers. If at the end of the years the bank earns $₹10.5 \mathrm{crores}$. Find how much money was transacted during the year?

In an examination, $34\%$ of the students failed in mathematics and $42\%$ failed in English. If $20\%$ of the students failed in both the subjects, then find the percentage of students who passed in both the subjects?

The marked price of a piano was $₹15,000.$ At the time of sale there were successive discounts of $20\%,10\%$ and $10\%$ respectively on it. The sale price was?

In an examination, a candidate obtained $32\%$ marks and failed by $16$ marks. Another candidate obtained $36\%$ marks which is $10$ marks more than minimum necessary marks to pass. Find the passing percentage

The price of cooking oil has increased by 25%. The percentage of reduction that a family should effect in the use of cooking oil so as not to increase the expenditure on thes account is

Write the following fractions with denominator $100$ and hence convert to a percentage.
$\frac{7}{10}$

What percent of $125$ is $16 ?$

$36\%$ of the maximum marks are required to pass a test. A student gets $123$ marks and is declared failed by $39$marks. Find the maximum marks.

Eighty-five per cent of the cost of a TV is $₹ 9265$. What is its total cost?

Due to an unfortunate accident Harshit spend $12\frac{1}{2}\%$ of his salary on medical bills and spent $70\%$ of remaining salary on usual monthly expenditure and saved only $₹2100$ this month, what is his monthly salary$?$

Mary has $₹4000$ with her. She spends $16\%$of this money. How much money did she spend$?$

If$x\% \text{of} y$ is equal to $1\% \text{of} z$, $y\% \text{of }z$ is equal to $1\%\text{ of }x$ and $z\% \text{of }x$ is equal to $1\% \text{of }y$, then the value of $xy+yz+zx$ is :