Yati

Yati

Asked: March 8, 2021In: Class 8 Maths

You are told that 1,331 is a perfect cube. Can you guess with factorization what is its cube root? Similarly guess the cube roots of 4913, 12167, 32768.

NCERT Solutions for Class 8 Mathematics Chapter 7 Important NCERT Questions Cube and Cube Roots Chapter 7 Exercise 7.2 NCERT Books for Session 2022-2023 CBSE Board Questions No: 3

Yati

Asked: March 8, 2021In: Class 8 Maths

State true or false: (i) Cube of any odd number is even. (ii) A perfect cube does not end with two zeroes. (iii) If square of a number ends with 5, then its cube ends with 25. (iv) There is no perfect cube which ends with 8. (v) The cube of a two-digit number may be a three-digit number. (vi) The cube of a two-digit number may have seven or more digits. (vii) The cube of a single digit number may be a single digit number.

NCERT Solutions for Class 8 Mathematics Chapter 7 Important NCERT Questions Cube and Cube Roots Chapter 7 Exercise 7.2 NCERT Books for Session 2022-2023 CBSE Board Questions No: 2

Yati

Asked: March 8, 2021In: Class 8 Maths

Find the cube root of each of the following numbers by prime factorization method: (i) 64 (ii) 512

NCERT Solutions for Class 8 Mathematics Chapter 7 Important NCERT Questions Cube and Cube Roots Chapter 7 Exercise 7.2 NCERT Books for Session 2022-2023 CBSE Board Questions No: 1

Yati

Asked: March 8, 2021In: Class 8 Maths

Parikshit makes a cuboid of plasticine of sides 5 cm, 2 cm, 5 cm. How many such cuboids will he need to form a cube?

NCERT Solutions for Class 8 Mathematics Chapter 7 Important NCERT Questions Cube and Cube Roots Chapter 7 Exercise 7.1 NCERT Books for Session 2022-2023 CBSE Board Questions No: 4

Yati

Asked: March 8, 2021In: Class 8 Maths

Find the smallest number by which each of the following numbers must be divided to obtain a perfect cube: (i) 81 (ii) 128 (iii) 135 (iv) 192 (v) 704

NCERT Solutions for Class 8 Mathematics Chapter 7 Important NCERT Questions Cube and Cube Roots Chapter 7 Exercise 7.1 NCERT Books for Session 2022-2023 CBSE Board Questions No: 3

Yati

Asked: March 8, 2021In: Class 8 Maths

Find the smallest number by which each of the following numbers must be multiplied to obtain a perfect cube: (i) 243 (ii) 256 (iii) 72 (iv) 675 (v) 100

NCERT Solutions for Class 8 Mathematics Chapter 7 Important NCERT Questions Cube and Cube Roots Chapter 7 Exercise 7.1 NCERT Books for Session 2022-2023 CBSE Board Questions No: 2

Yati

Asked: March 8, 2021In: Class 8 Maths

Which of the following numbers are not perfect cubes:(i) 216 (ii) 128(iii) 1000 (iv) 100 (v) 46656

NCERT Solutions for Class 8 Mathematics Chapter 7 Important NCERT Questions Cube and Cube Roots Chapter 7 Exercise 7.1 NCERT Books for Session 2022-2023 CBSE Board Questions No: 1

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