CBSE Board Practice

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CBSE Grade VIII - Squares and Square Roots
Question 1
1.
    • Find the square root of
    • 9291.0200
  • 96.3899
  • 98.3899
  • 97.3899
  • 95.3899
  • 94.3899
Question 2
2.
    • The solution of

    • √

      3
    • lies between
  • 0 and 1
  • -1 and 0
  • 2 and 3
  • 3 and 4
  • 1 and 2
Question 3
3.
    • Find the prime factorization of
    • 24000
  • 2 6
     
    		✕
    3
    		✕
    5 4
     
  • 2 6
     
    		✕
    3
    		✕
    5 2
     
  • 2 6
     
    		✕
    5
    		✕
    5 3
     
  • 2 6
     
    		✕
    3
    		✕
    3 3
     
  • 2 6
     
    		✕
    3
    		✕
    5 3
     
Question 4
4.
Which of the following is not a perfect square?
  • 1089
  • 1764
  • 1763
  • 729
  • 289
Question 5
5.
The smallest number by which 52 must be multiplied so that the product is a perfect square is?
  • 16
  • 12
  • 14
  • 10
  • 13
Question 6
6.
    • If

    • √

      4356
    • =
    • 66
    • ,
    • find the value of

    • √

      0.4356
  • 0.07
  • 2.66
  • 0.66
  • 8.66
  • 6.6
Question 7
7.
What is the unit place digit in the square of 32?
  • 3
  • 1
  • 5
  • 4
  • 6
Question 8
8.
Identify the Pythagorean triplet whose one of the numbers is 65
  • {15,64,65}
  • {16,63,65}
  • {17,62,65}
  • {18,64,65}
  • {14,61,65}
Question 9
9.
Which of the following is a Pythagorean triplet?
  • {10,22,26}
  • {10,25,27}
  • {10,26,25}
  • {10,24,26}
  • {10,23,25}
Question 10
10.
Find the least number that must be added to 993 to get a perfect square?
  • 28
  • 32
  • 30
  • 31
  • 34