S K Khanuja Solutions for Chapter: Percentage, Exercise 2: Exercise 31

What percentage is $36 \mathrm{minutes}$ of $2 \mathrm{hours}$?

If $160 \mathrm{metres}$ is $x\%$ of $400 \mathrm{metres}$, then find the value of $x$.

What percentage is:

$250 \mathrm{ml}$ of $2 \mathrm{litres}$?

What percentage of $84$ is $14$?

Find a number whose$8\%$ is $6$.

Find a number whose $6\frac{1}{4}\%$ is $2$.

A basket contains $350$ eggs. If $20\%$ of the eggs are rotten, find the number of eggs good enough to be sold.

The salary of an officer is increased by $25\%$. By what percent should the new salary be reduced to restore the original salary?