Chapter 6 – Squares and Square Roots

Example 22 : Check whether 1728 is a perfect cube by using prime factorisation. Example 22 : Check whether 1728 is a perfect cube by using prime factorisation. July 12, 2021 Category: Chapter 6 - Squares and Square Roots , Chapter 7 - Cubes and Cube Roots , Maths , NCERT Class 8 ,

Example 21 : Check whether 90 is a perfect square or not by using prime factorisation. Example 21 : Check whether 90 is a perfect square or not by using prime factorisation. July 12, 2021 Category: Chapter 6 - Squares and Square Roots , Chapter 7 - Cubes and Cube Roots , Maths , NCERT [...]

Example 20 : Express 36 as a sum of successive odd natural numbers. Example 20 : Express 36 as a sum of successive odd natural numbers. July 12, 2021 Category: Chapter 6 - Squares and Square Roots , Chapter 7 - Cubes and Cube Roots , Maths , NCERT Class 8 ,

Example 19 : The square root of a perfect square of n digits will have 2/n digits if n is even. Example 19 : The square root of a perfect square of n digits will have 2/n digits if n is even. July 12, 2021 Category: Chapter 6 - Squares and Square Roots , Chapter [...]

Example 18 : The sum of first 7 odd natural numbers is 49. Example 18 : The sum of first 7 odd natural numbers is 49. July 12, 2021 Category: Chapter 6 - Squares and Square Roots , Chapter 7 - Cubes and Cube Roots , Maths , NCERT Class 8 ,

Example 17 : There are 21 natural numbers between 10^2 and 11^2. Example 17 : There are 21 natural numbers between 10^2 and 11^2. July 12, 2021 Category: Chapter 6 - Squares and Square Roots , Chapter 7 - Cubes and Cube Roots , Maths , NCERT Class 8 ,

Example 16 : The cube root of 729 is 8. Example 16 : The cube root of 729 is 8. July 12, 2021 Category: Chapter 6 - Squares and Square Roots , Chapter 7 - Cubes and Cube Roots , Maths , NCERT Class 8 ,

Example 15 : The square of 0.4 is 0.16. Example 15 : The square of 0.4 is 0.16. July 12, 2021 Category: Chapter 6 - Squares and Square Roots , Chapter 7 - Cubes and Cube Roots , Maths , NCERT Class 8 ,

Example 14 : The least number to be multiplied with 9 to make it a perfect cube is _______________. Example 14 : The least number to be multiplied with 9 to make it a perfect cube is _______________. July 12, 2021 Category: Chapter 6 - Squares and Square Roots , Chapter 7 - Cubes and [...]

Example 13 : The positive square root of a number x is denoted by __________. Example 13 : The positive square root of a number x is denoted by __________. July 12, 2021 Category: Chapter 6 - Squares and Square Roots , Chapter 7 - Cubes and Cube Roots , Maths , NCERT Class 8 [...]