Mathematics Practice Questions

Which of the following numbers is not a perfect square?

Find the LCM of 30, 45, 60 and 90.

Simplify $$\frac{\sqrt[]{144}}{3}$$

Express $$\frac{3}{4}$$ as a decimal.

Find the square root of $$\frac{169}{225}$$

Simplify $$\frac{3}{2}of\ \left(\frac{1}{3}+\frac{4}{7}\right)\times7$$

A piece of cloth of length $$3\ \frac{1}{3}$$ m is cut from a cloth of length $$8\ \frac{1}{2}$$ m. What is the length of the remaining cloth?

Evaluate 25 − $$\sqrt[]{25}$$

Simplify $$\left(\frac{2}{3}+\frac{1}{4}\right)-\left(\frac{1}{5}+\frac{2}{3}\right)$$

If 7 is added to a certain number and the result is 42, what is the number?