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

MEDIUM

7th ICSE

IMPORTANT

Earn 100

Find the smallest number by which $675$ should be multiplied so that the product is a perfect cube. Find the cube root of the perfect cube so obtained.

Important Questions on Square Root and Cube Root

MEDIUM

7th ICSE

IMPORTANT

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

Find the smallest number by which

2916

should be divided so that the quotient is a perfect cube. Also find the cube root of the quotient.

MEDIUM

7th ICSE

IMPORTANT

New Mathematics Today Class 7>Chapter 5 - Square Root and Cube Root>Exercise>Q 8

Find the side of a cube whose volume is

\frac{729}{343} {cm}^{3}

.

EASY

7th ICSE

IMPORTANT

New Mathematics Today Class 7>Chapter 5 - Square Root and Cube Root>Exercise>Q 9

The value of

\sqrt[3]{\frac{7}{875}}

is equal to

EASY

7th ICSE

IMPORTANT

New Mathematics Today Class 7>Chapter 5 - Square Root and Cube Root>Exercise>Q 10

The least possible value of

A

for which

40 \times A

is a perfect cube is

EASY

7th ICSE

IMPORTANT

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

Explain the difference between

{(- 3)}^{2}

and

{- 3}^{2}

.

EASY

7th ICSE

IMPORTANT

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

Compare

3 \times 2

,

3^{2}

and

2^{3}

.

EASY

7th ICSE

IMPORTANT

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

Show that

{(3 - 7)}^{2}

is not equal to

3^{2} - 7^{2}

.

EASY

7th ICSE

IMPORTANT

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

Describe what is meant by a perfect square?