Chapter 7 – Cubes and Cube Roots

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142. 13 and 31 is a strange pair of numbers such that their squares 169 and 961 are also mirror images of each other. Can you find two other such pairs?
15
Jul
142. 13 and 31 is a strange pair of numbers such that their squares 169 and 961 are also mirror images of each other. Can you find two other such pairs? 142. 13 and 31 is a strange pair of numbers such that their squares 169 and 961 are also mirror images of each other. [...]
Posted in: Chapter 6 - Squares and Square Roots , Chapter 7 - Cubes and Cube Roots , Maths , NCERT Class 8 ,
Tags: 142. 13 and 31 is a strange pair of numbers such that their squares 169 and 961 are also mirror images of each other. Can you find two other such pairs? ,
141. A three digit perfect square is such that if it is viewed upside down, the number seen is also a perfect square. What is the number?
15
Jul
141. A three digit perfect square is such that if it is viewed upside down, the number seen is also a perfect square. What is the number? 141. A three digit perfect square is such that if it is viewed upside down the number seen is also a perfect square. What is the number? July [...]
Posted in: Chapter 6 - Squares and Square Roots , Chapter 7 - Cubes and Cube Roots , Maths , NCERT Class 8 ,
Tags: 141. A three digit perfect square is such that if it is viewed upside down , the number seen is also a perfect square. What is the number? ,
140. The perimeters of two squares are 40 and 96 metres respectively. Find the perimeter of another square equal in area to the sum of the first two squares.
15
Jul
140. The perimeters of two squares are 40 and 96 metres respectively. Find the perimeter of another square equal in area to the sum of the first two squares. 140. The perimeters of two squares are 40 and 96 metres respectively. Find the perimeter of another square equal in area to the sum of the [...]
Posted in: Chapter 6 - Squares and Square Roots , Chapter 7 - Cubes and Cube Roots , Maths , NCERT Class 8 ,
Tags: 140. The perimeters of two squares are 40 and 96 metres respectively. Find the perimeter of another square equal in area to the sum of the first two squares. ,
139. Put three different numbers in the circles so that when you add the numbers at the end of each line you always get a perfect square.
15
Jul
139. Put three different numbers in the circles so that when you add the numbers at the end of each line you always get a perfect square. 139. Put three different numbers in the circles so that when you add the numbers at the end of each line you always get a perfect square. July [...]
Posted in: Chapter 6 - Squares and Square Roots , Chapter 7 - Cubes and Cube Roots , Maths , NCERT Class 8 ,
Tags: 139. Put three different numbers in the circles so that when you add the numbers at the end of each line you always get a perfect square. ,
138. A perfect square number has four digits, none of which is zero. The digits from left to right have values that are: even, even, odd, even. Find the number.
15
Jul
138. A perfect square number has four digits, none of which is zero. The digits from left to right have values that are: even, even, odd, even. Find the number. 138. A perfect square number has four digits even even. Find the number. none of which is zero. The digits from left to right have [...]
Posted in: Chapter 6 - Squares and Square Roots , Chapter 7 - Cubes and Cube Roots , Maths , NCERT Class 8 ,
Tags: 138. A perfect square number has four digits , even , even. Find the number. , none of which is zero. The digits from left to right have values that are: even , odd ,
137. {(6^2 + (8^2)^1/2)}^3
15
Jul
137. {(6^2 + (8^2)^1/2)}^3 137. {(6^2 + (8^2)^1/2)}^3 July 15, 2021 Category: Chapter 6 - Squares and Square Roots , Chapter 7 - Cubes and Cube Roots , Maths , NCERT Class 8 ,
Posted in: Chapter 6 - Squares and Square Roots , Chapter 7 - Cubes and Cube Roots , Maths , NCERT Class 8 ,
Tags: 137. {(6^2 + (8^2)^1/2)}^3 ,
136. {( 5^2 + (12^2)^1/2)}^3
15
Jul
136. {( 5^2 + (12^2)^1/2)}^3 136. {( 5^2 + (12^2)^1/2)}^3 July 15, 2021 Category: Chapter 6 - Squares and Square Roots , Chapter 7 - Cubes and Cube Roots , Maths , NCERT Class 8 ,
Posted in: Chapter 6 - Squares and Square Roots , Chapter 7 - Cubes and Cube Roots , Maths , NCERT Class 8 ,
Tags: 136. {( 5^2 + (12^2)^1/2)}^3 ,
135. Evaluate : 3 root 27 + 3 root 0.008 + 3 root 0.064
15
Jul
135. Evaluate : 3 root 27 + 3 root 0.008 + 3 root 0.064 135. Evaluate : 3 root 27 + 3 root 0.008 + 3 root 0.064 July 15, 2021 Category: Chapter 6 - Squares and Square Roots , Chapter 7 - Cubes and Cube Roots , Maths , NCERT Class 8 ,
Posted in: Chapter 6 - Squares and Square Roots , Chapter 7 - Cubes and Cube Roots , Maths , NCERT Class 8 ,
Tags: 135. Evaluate : 3 root 27 + 3 root 0.008 + 3 root 0.064 ,
134. Three numbers are in the ratio 2:3:4. The sum of their cubes is 0.334125. Find the numbers.
15
Jul
134. Three numbers are in the ratio 2:3:4. The sum of their cubes is 0.334125. Find the numbers. 134. Three numbers are in the ratio 2:3:4. The sum of their cubes is 0.334125. Find the numbers. July 15, 2021 Category: Chapter 6 - Squares and Square Roots , Chapter 7 - Cubes and Cube Roots [...]
Posted in: Chapter 6 - Squares and Square Roots , Chapter 7 - Cubes and Cube Roots , Maths , NCERT Class 8 ,
Tags: 134. Three numbers are in the ratio 2:3:4. The sum of their cubes is 0.334125. Find the numbers. ,
133. Find the square root of 324 by the method of repeated subtraction.
15
Jul
133. Find the square root of 324 by the method of repeated subtraction. 133. Find the square root of 324 by the method of repeated subtraction. July 15, 2021 Category: Chapter 6 - Squares and Square Roots , Chapter 7 - Cubes and Cube Roots , Maths , NCERT Class 8 ,
Posted in: Chapter 6 - Squares and Square Roots , Chapter 7 - Cubes and Cube Roots , Maths , NCERT Class 8 ,
Tags: 133. Find the square root of 324 by the method of repeated subtraction. ,