Question
The sum of the cubes of two numbers is 189. If one number is twice the other, find both numbers.
Solution
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Cube and Cube RootsMore Questions on Cube and Cube Roots
Question 1
The cube root of a number is 12. What will be the cube root of its 1/27th part?
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Question 2
A cube-shaped ice block of side 10 cm is cut into 1000 smaller cubes of equal size. Find the side of each small cube.
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Question 3
A metal cube of side 6 cm is melted and recast into smaller cubes of side 2 cm. How many small cubes are formed?
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Question 5
A cube’s volume increases from 27 cm³ to 64 cm³. Find the percentage increase in its edge.
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Question 12
Find the smallest number by which 392 must be divided to get a perfect cube.
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Question 13
Find the smallest number by which 648 must be multiplied to make it a perfect cube.
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Question 16
If the cube of a number ends in 1, what will be the unit digit of the number?
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Question 20
A metal cube of side 5 cm is melted to form small cubes each of side 1 cm. How many small cubes are formed?
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