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Cubes and Cube Roots
Question
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Which of the following are perfect cubes?

1. 400 2. 3375 3. 8000 4. 15625

5. 9000 6. 6859 7. 2025 8. 10648

Answer

                                   

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Some More Questions From Cubes and Cube Roots Chapter

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

Show that —1728 is a perfect cube. Also, find the number whose cube is – 1728. 

Is 216 a perfect cube? What is the number whose cube is 216?

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?

Find the cube root of 1728.

Fint the cube root of 27000 by prime factorisation.

State true or false: for any integer m, m2 < m3. Why?

What is the smallest number by which 288 must be multiplied so that the product is a perfect cube?