CBSE Board Practice

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CBSE Grade VIII - Cubes and Cube Roots
Question 1
1.
    • Find the
    • cube root
    • of
    • (
      -1
      27
      		 )
  • (
    -1
    5
    		 )
  • (
    -1
    3
    		 )
  • -1
  • 1
    3
Question 2
2.
Which of the following is not a perfect cube?
  • 64
  • 729
  • 512
  • 30
  • 216
Question 3
3.
Which of the following is a perfect cube?
  • 65
  • 1000
  • 219
  • 26
  • 510
Question 4
4.
    • Find the value of
    • 17 3
       
    • −
    • 16 3
       
  • 815
  • 818
  • 816
  • 819
  • 817
Question 5
5.
The smallest number by which 1024 must be divided so that the quotient is a perfect cube is?
  • 1
  • 3
  • 2
  • 0
  • 4
Question 6
6.
    • Find the cube of
    • 7
  • 340
  • 49
  • 343
  • 52
  • 346
Question 7
7.
    • Find the
    • cube root
    • of
    • -64
  • -1
  • -3
  • -5
  • -4
  • -6
Question 8
8.
The smallest number by which 108 must be multiplied so that the product is a perfect cube is?
  • 4
  • 1
  • 2
  • 0
  • 3
Question 9
9.
    • Find the cube root of
    • 13824
  • 579
  • 24
  • 27
  • 576
  • 21
Question 10
10.
    • Find the value of
    • 5 3
       
    • +
    • 4 3
       
  • 189
  • 191
  • 190
  • 187
  • 188