All In One MATHEMATICS CBSE Class 8>Chapter 7 - Cubes and Cube Roots>Topic Exercise 7.1>Q 8

HARD

8th CBSE

IMPORTANT

Earn 100

Find the smallest number by which $3087$ must be divided, so that the quotient is a perfect cube.

100% studentsanswered this correctly

Important Questions on Cubes and Cube Roots

MEDIUM

8th CBSE

IMPORTANT

All In One MATHEMATICS CBSE Class 8>Chapter 7 - Cubes and Cube Roots>Topic Exercise 7.1>Q 9

Find the unit digit of the cube of the following number.

$1109, 117, 565, 390$ .

MEDIUM

8th CBSE

IMPORTANT

All In One MATHEMATICS CBSE Class 8>Chapter 7 - Cubes and Cube Roots>Topic Exercise 7.1>Q 10

Is

\frac{216}{343}

a cube of rational number

?

HARD

8th CBSE

IMPORTANT

All In One MATHEMATICS CBSE Class 8>Chapter 7 - Cubes and Cube Roots>Topic Exercise 7.2>Q 1

Find the cube root of

19683

by factorisation method.

MEDIUM

8th CBSE

IMPORTANT

All In One MATHEMATICS CBSE Class 8>Chapter 7 - Cubes and Cube Roots>Topic Exercise 7.2>Q 2

Check whether

24389

is a perfect cube or not. If yes, then find its cube root.

HARD

8th CBSE

IMPORTANT

All In One MATHEMATICS CBSE Class 8>Chapter 7 - Cubes and Cube Roots>Topic Exercise 7.2>Q 3

Find the cube root of

46656

by estimation method.

EASY

8th CBSE

IMPORTANT

All In One MATHEMATICS CBSE Class 8>Chapter 7 - Cubes and Cube Roots>Topic Exercise 7.2>Q 4

Find the cube root of

1.728

in decimals.

MEDIUM

8th CBSE

IMPORTANT

All In One MATHEMATICS CBSE Class 8>Chapter 7 - Cubes and Cube Roots>Topic Exercise 7.2>Q 5

The volume of a cubical box is

117.647 m^{3}

. If the length of a side of the box is

a m

, then find the value of

a

.

EASY

8th CBSE

IMPORTANT

All In One MATHEMATICS CBSE Class 8>Chapter 7 - Cubes and Cube Roots>Topic Exercise 7.2>Q 6

Evaluate:

\sqrt[3]{1000} + \sqrt[3]{0.008} + \sqrt[3]{0.125}