CBSE Board Practice

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CBSE Grade VIII - Cubes and Cube Roots
Question 1
1.
The smallest number by which 16875 must be divided so that the quotient is a perfect cube is?
  • 4
  • 2
  • 8
  • 5
  • 6
Question 2
2.
    • Find the
    • cube root
    • of
    • -64
  • -2
  • -4
  • -5
  • -6
  • -3
Question 3
3.
The smallest number by which 576 must be multiplied so that the product is a perfect cube is?
  • 0
  • 2
  • 3
  • 4
  • 1
Question 4
4.
Which of the following is a perfect cube?
  • 6
  • 346
  • 730
  • 215
  • 27
Question 5
5.
    • Find the value of
    • 8 3
       
    • −
    • 7 3
       
  • 169
  • 171
  • 168
  • 170
  • 167
Question 6
6.
    • Find the cube root of
    • 9261
  • 24
  • 444
  • 18
  • 441
  • 21
Question 7
7.
    • Find the value of
    • 5 3
       
    • +
    • 4 3
       
  • 192
  • 187
  • 188
  • 190
  • 189
Question 8
8.
Which of the following is not a perfect cube?
  • 27
  • 346
  • 125
  • 512
  • 1000
Question 9
9.
    • Find the
    • cube root
    • of
    • 27
      8
  • 3
  • 5
    2
  • 1
    2
  • 3
    4
  • 3
    2
Question 10
10.
    • Find the cube of
    • 15
  • 228
  • 3375
  • 3372
  • 3378
  • 225