CBSE Board Practice

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CBSE Grade VIII - Cubes and Cube Roots
Question 1
1.
    • Find the cube root of
    • 3375
  • 15
  • 228
  • 225
  • 18
  • 12
Question 2
2.
Which of the following is a perfect cube?
  • 1002
  • 64
  • 215
  • 513
  • 5
Question 3
3.
The smallest number by which 10125 must be divided so that the quotient is a perfect cube is?
  • 3
  • 0
  • 1
  • 2
  • 4
Question 4
4.
    • Find the cube of
    • 16
  • 4093
  • 259
  • 4099
  • 256
  • 4096
Question 5
5.
    • Find the value of
    • 5 3
       
    • −
    • 4 3
       
  • 64
  • 61
  • 62
  • 59
  • 60
Question 6
6.
The smallest number by which 2048 must be multiplied so that the product is a perfect cube is?
  • 1
  • 3
  • 4
  • 0
  • 2
Question 7
7.
Which of the following is not a perfect cube?
  • 1003
  • 8
  • 64
  • 27
  • 343
Question 8
8.
    • Find the
    • cube root
    • of
    • 27
  • 4
  • 2
  • 5
  • 3
  • 0
Question 9
9.
    • Find the
    • cube root
    • of
    • (
      -125
      8
      		 )
  • -5
  • (
    -7
    2
    		 )
  • (
    -3
    2
    		 )
  • (
    -5
    4
    		 )
  • (
    -5
    2
    		 )
Question 10
10.
    • Find the value of
    • 19 3
       
    • +
    • 18 3
       
  • 12691
  • 12692
  • 12688
  • 12690
  • 12693