ICSE Board Practice

Class VI Class VII Class VIII Class IX Class X
ICSE Grade VIII - Square Root and Cube Root
Question 1
1.
    • Find the
    • cube root
    • of
    • 1
      125
  • 1
    7
  • 1
    3
  • (
    -1
    5
    		 )
  • 3
    5
  • 1
    5
Question 2
2.
    • If

    • √

      1681
    • =
    • 41
    • ,
    • find the value of

    • √

      168100
  • 412
  • 4100
  • 41
  • 408
  • 410
Question 3
3.
The smallest number by which 128 must be multiplied so that the product is a perfect square is?
  • 3
  • 1
  • 2
  • 4
  • (-1)
Question 4
4.
Find the smallest 4 digit number which is a perfect square?
  • 1024
  • 1023
  • 1027
  • 1021
  • 1025
Question 5
5.
Which of the following is a perfect square?
  • 484
  • 17
  • 1091
  • 97
  • 1680
Question 6
6.
    • The solution of

    • √

      5
    • lies between
  • 2.237 and 2.238
  • 2.236 and 2.237
  • 2.235 and 2.236
  • 2.238 and 2.239
  • 2.234 and 2.235
Question 7
7.
    • Find the value of
    • 9 3
       
    • +
    • 8 3
       
  • 1239
  • 1242
  • 1240
  • 1243
  • 1241
Question 8
8.
Which of the following is not a perfect cube?
  • 1000
  • 732
  • 125
  • 27
  • 8
Question 9
9.
If a number has 3 zeros at the end, its square has how many zeros?
  • 6
  • 5
  • 9
  • 4
  • 7
Question 10
10.
Which of the following is not a perfect square?
  • 2497
  • 225
  • 144
  • 1764
  • 1521