Describe what is meant by a perfect square?

Important Questions on Square Root and Cube Root

EASY

7th ICSE

IMPORTANT

New Mathematics Today Class 7>Chapter 5 - Square Root and Cube Root>Revision Exercise>Q 1

Explain how many square roots can a positive number have? How are these square roots different?

EASY

7th ICSE

IMPORTANT

New Mathematics Today Class 7>Chapter 5 - Square Root and Cube Root>Revision Exercise>Q 1

What is the square root of $0\mathrm{}$?

EASY

7th ICSE

IMPORTANT

New Mathematics Today Class 7>Chapter 5 - Square Root and Cube Root>Revision Exercise>Q 2

$4\times {\left(-10\right)}^3$ is

EASY

7th ICSE

IMPORTANT

New Mathematics Today Class 7>Chapter 5 - Square Root and Cube Root>Revision Exercise>Q 3

$9.315\times {10}^4$ is

MEDIUM

7th ICSE

IMPORTANT

New Mathematics Today Class 7>Chapter 5 - Square Root and Cube Root>Revision Exercise>Q 4

$\frac{\sqrt{625}}{11}\times \frac{14}{\sqrt{25}}\times \frac{11}{\sqrt{196}}$ is equal to

MEDIUM

7th ICSE

IMPORTANT

New Mathematics Today Class 7>Chapter 5 - Square Root and Cube Root>Revision Exercise>Q 5

If $y=5$, then what is the value of $10y\sqrt{y^3-y^2}=?$

EASY

7th ICSE

IMPORTANT

New Mathematics Today Class 7>Chapter 5 - Square Root and Cube Root>Revision Exercise>Q 6

Evaluate:

${\left(2^4\right)}^2-2{\left(3\times 4\right)}^2$

EASY

7th ICSE

IMPORTANT

New Mathematics Today Class 7>Chapter 5 - Square Root and Cube Root>Revision Exercise>Q 6

Evaluate:

$84-\{8-{\left(-2\right)}^3\}$