Arihant Expert Team Solutions for Exercise 1: Practice Questions

If $35\%$ of a number is $12$ less than $50\%$ of that number, then the number is:

What percent of $400$ is $60$?

A reduction of $20\%$ in the price of sugar enables a purchaser to obtain $3\mathrm{kg}$ more for $\mathrm{Rs}.120$. The original price of sugar per $\mathrm{kg}$ is:

If $\mathrm{x}$ earns $25\%$ less than $\mathrm{y}$, then what percent more does $\mathrm{y}$ earns than $\mathrm{x}$?

A number increased by $37\frac{1}{2}\%$ gives $33$, then the number is:

An ore contains $26\%$ copper. To get $91 \mathrm{kg}$ of copper the quantity of the ore required is:

The price of petrol went up by $25\%$. In order that expenses on petrol should not increase, one must reduce travel by:

In an examination, $35\%$ of the students passed and $455$ failed. How many students appeared for the examination?