Chapter 6 – Squares and Square Roots
71. If a^2 ends in 9, then a^3 ends in 7.
15
Jul
71. If a^2 ends in 9, then a^3 ends in 7. 71. If a^2 ends in 9 then a^3 ends in 7. July 15, 2021 Category: Chapter 6 - Squares and Square Roots , Chapter 7 - Cubes and Cube Roots , Maths , NCERT Class 8 ,
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70. If a^2 ends in 5, then a^3 ends in 25.
15
Jul
70. If a^2 ends in 5, then a^3 ends in 25. 70. If a^2 ends in 5 then a^3 ends in 25. July 15, 2021 Category: Chapter 6 - Squares and Square Roots , Chapter 7 - Cubes and Cube Roots , Maths , NCERT Class 8 ,
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69. Let x and y be natural numbers. If x divides y, then x^3 divides y^3.
15
Jul
69. Let x and y be natural numbers. If x divides y, then x^3 divides y^3. 69. Let x and y be natural numbers. If x divides y then x^3 divides y^3. July 15, 2021 Category: Chapter 6 - Squares and Square Roots , Chapter 7 - Cubes and Cube Roots , Maths , NCERT [...]
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68. If x and y are integers such that x^2 > y^2, then x^3 > y^3.
15
Jul
68. If x and y are integers such that x^2 > y^2, then x^3 > y^3. 68. If x and y are integers such that x^2 > y^2 then x^3 > y^3. July 15, 2021 Category: Chapter 6 - Squares and Square Roots , Chapter 7 - Cubes and Cube Roots , Maths , NCERT [...]
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67. For an integer a, a3 is always greater than a^2.
15
Jul
67. For an integer a, a3 is always greater than a^2. 67. For an integer a a3 is always greater than a^2. July 15, 2021 Category: Chapter 6 - Squares and Square Roots , Chapter 7 - Cubes and Cube Roots , Maths , NCERT Class 8 ,
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66. All numbers of a pythagorean triplet are odd.
15
Jul
66. All numbers of a pythagorean triplet are odd. 66. All numbers of a pythagorean triplet are odd. July 15, 2021 Category: Chapter 6 - Squares and Square Roots , Chapter 7 - Cubes and Cube Roots , Maths , NCERT Class 8 ,
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65. For every natural number m, (2m –1, 2m^2 –2m, 2m^2 –2m + 1) is a pythagorean triplet.
15
Jul
65. For every natural number m, (2m –1, 2m^2 –2m, 2m^2 –2m + 1) is a pythagorean triplet. (2m –1 2m^2 –2m 2m^2 –2m + 1) is a pythagorean triplet. 65. For every natural number m July 15, 2021 Category: Chapter 6 - Squares and Square Roots , Chapter 7 - Cubes and Cube Roots [...]
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64. A perfect square can have 8 as its units digit.
15
Jul
64. A perfect square can have 8 as its units digit. 64. A perfect square can have 8 as its units digit. July 15, 2021 Category: Chapter 6 - Squares and Square Roots , Chapter 7 - Cubes and Cube Roots , Maths , NCERT Class 8 ,
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63. 1000 is a perfect square.
15
Jul
63. 1000 is a perfect square. 63. 1000 is a perfect square. July 15, 2021 Category: Chapter 6 - Squares and Square Roots , Chapter 7 - Cubes and Cube Roots , Maths , NCERT Class 8 ,
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61. There are 200 natural numbers between 100^2 and 101^2.
15
Jul
61. There are 200 natural numbers between 100^2 and 101^2. 61. There are 200 natural numbers between 100^2 and 101^2. July 15, 2021 Category: Chapter 6 - Squares and Square Roots , Chapter 7 - Cubes and Cube Roots , Maths , NCERT Class 8 ,
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