CBSE Board Practice

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CBSE Grade VIII - Cubes and Cube Roots
Question 1
1.
Which of the following is a perfect cube?
  • 730
  • 342
  • 214
  • 66
  • 1000
Question 2
2.
    • Find the
    • cube root
    • of
    • (
      -27
      64
      		 )
  • (
    -1
    4
    		 )
  • (
    -5
    4
    		 )
  • (
    -3
    4
    		 )
  • (
    -1
    2
    		 )
  • (
    -3
    2
    		 )
Question 3
3.
    • Find the
    • cube root
    • of
    • 8
  • 2
  • 4
  • 0
  • 3
  • 1
Question 4
4.
The smallest number by which 16875 must be divided so that the quotient is a perfect cube is?
  • 6
  • 8
  • 4
  • 5
  • 3
Question 5
5.
    • Find the value of
    • 5 3
       
    • +
    • 4 3
       
  • 192
  • 190
  • 188
  • 186
  • 189
Question 6
6.
Which of the following is not a perfect cube?
  • 8
  • 343
  • 216
  • 125
  • 30
Question 7
7.
    • Find the value of
    • 25 3
       
    • −
    • 24 3
       
  • 1803
  • 1798
  • 1800
  • 1802
  • 1801
Question 8
8.
    • Find the cube root of
    • 3375
  • 15
  • 18
  • 12
  • 228
  • 225
Question 9
9.
    • Find the cube of
    • 28
  • 21949
  • 21952
  • 784
  • 787
  • 21955
Question 10
10.
The smallest number by which 2916 must be multiplied so that the product is a perfect cube is?
  • 0
  • 2
  • 1
  • 4
  • 3