ICSE Board Practice

Class VI Class VII Class VIII Class IX Class X
ICSE Grade VIII - Square Root and Cube Root
Question 1
1.
The smallest number by which 1024 must be divided so that the quotient is a perfect cube is?
  • 1
  • 0
  • 4
  • 2
  • 3
Question 2
2.
Which of the following is a perfect square?
  • 167
  • 102
  • 961
  • 440
  • 677
Question 3
3.
    • Find the value of
    • 18 3
       
    • −
    • 17 3
       
  • 921
  • 918
  • 917
  • 919
  • 920
Question 4
4.
Which of the following is not a perfect cube?
  • 11
  • 125
  • 729
  • 512
  • 27
Question 5
5.
    • The solution of

    • √

      19
    • lies between
  • 4.356 and 4.357
  • 4.358 and 4.359
  • 4.357 and 4.358
  • 4.359 and 4.360
  • 4.360 and 4.361
Question 6
6.
    • Find the cube of
    • 26
  • 17579
  • 676
  • 679
  • 17576
  • 17573
Question 7
7.
    • Find the square root of
    • 42.97
  • 7.56
  • 6.56
  • 4.56
  • 5.56
  • 8.56
Question 8
8.
The smallest number by which 32 must be multiplied so that the product is a perfect cube is?
  • 3
  • 1
  • 0
  • 4
  • 2
Question 9
9.
The smallest number by which 128 must be multiplied so that the product is a perfect square is?
  • 4
  • 3
  • 1
  • 0
  • 2
Question 10
10.
    • The solution of

    • √

      17
    • lies between
  • 4.1 and 4.2
  • 3.9 and 4.0
  • 4.3 and 4.4
  • 4.2 and 4.3
  • 4.0 and 4.1