CBSE Board Practice

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CBSE Grade VIII - Squares and Square Roots
Question 1
1.
    • The solution of

    • √

      6
    • lies between
  • 2.4492 and 2.4493
  • 2.4496 and 2.4497
  • 2.4494 and 2.4495
  • 2.4495 and 2.4496
  • 2.4493 and 2.4494
Question 2
2.
    • The solution of

    • √

      12
    • lies between
  • 3.3 and 3.4
  • 3.2 and 3.3
  • 3.5 and 3.6
  • 3.6 and 3.7
  • 3.4 and 3.5
Question 3
3.
    • Find the prime factorization of
    • 1080
  • 2 3
     
    		✕
    3 3
     
    		✕
    4
  • 2 3
     
    		✕
    3 4
     
    		✕
    5
  • 2 3
     
    		✕
    3 3
     
    		✕
    5
  • 4 3
     
    		✕
    3 3
     
    		✕
    5
  • 2 3
     
    		✕
    1
    		✕
    5
Question 4
4.
Which of the following is not a perfect square?
  • 256
  • 2025
  • 2500
  • 99
Question 5
5.
What is the unit place digit in the square of 42?
  • 4
  • 3
  • 7
  • 2
  • 5
Question 6
6.
    • Find the
    • square root
    • of
    • 4
  • 4
  • 2
  • 1
  • 0
  • 3
Question 7
7.
Find the greatest 3 digit number which is a perfect square?
  • 960
  • 961
  • 958
  • 963
  • 962
Question 8
8.
If a number has 5 zeros at the end, its square has how many zeros?
  • 11
  • 13
  • 7
  • 10
  • 9
Question 9
9.
Identify the Pythagorean triplet whose largest number is 26
  • {11,23,26}
  • {12,25,26}
  • {9,25,26}
  • {8,22,26}
  • {10,24,26}
Question 10
10.
    • Find the square root of
    • 294.780
  • 16.169
  • 18.169
  • 15.169
  • 17.169
  • 19.169