CBSE Board Practice

Class VI Class VII Class VIII Class IX Class X
CBSE Grade VIII - Cubes and Cube Roots
Question 1
1.
    • Find the
    • cube root
    • of
    • (
      -125
      8
      		 )
  • (
    -7
    2
    		 )
  • (
    -5
    4
    		 )
  • -5
  • (
    -3
    2
    		 )
  • (
    -5
    2
    		 )
Question 2
2.
The smallest number by which 864 must be multiplied so that the product is a perfect cube is?
  • 4
  • 0
  • 3
  • 2
  • 1
Question 3
3.
Which of the following is a perfect cube?
  • 342
  • 10
  • 213
  • 64
  • 513
Question 4
4.
Which of the following is not a perfect cube?
  • 8
  • 1000
  • 512
  • 343
  • 732
Question 5
5.
    • Find the cube of
    • 8
  • 64
  • 509
  • 515
  • 512
  • 67
Question 6
6.
    • Find the value of
    • 21 3
       
    • +
    • 20 3
       
  • 17263
  • 17262
  • 17258
  • 17260
  • 17261
Question 7
7.
    • Find the cube root of
    • 27000
  • 30
  • 900
  • 33
  • 903
  • 27
Question 8
8.
    • Find the
    • cube root
    • of
    • -27
  • -6
  • -2
  • -4
  • 0
  • -3
Question 9
9.
    • Find the value of
    • 10 3
       
    • −
    • 9 3
       
  • 270
  • 271
  • 272
  • 273
  • 268
Question 10
10.
The smallest number by which 128 must be divided so that the quotient is a perfect cube is?
  • 3
  • 0
  • 1
  • 4
  • 2