CBSE  /  Class 8  /  Maths  /  Squares and Square Roots

  • 1. 
    The smallest number by which 48 should be divided so as to get a perfect square is

  • 2
  • 3
  • 4
  • 6.

  • 2. 
    The smallest number by which 125 should be divided so as to get a perfect square is

  • 3
  • 5
  • 25
  • 125.

  • 3. 
    The smallest number by which 150 should be divided so as to get a perfect square is

  • 4
  • 2
  • 5
  • 6.

  • 4. 
    The smallest number by which 112 should be divided so as to get a perfect square is

  • 6
  • 4
  • 3
  • 7.

  • 5. 
    The smallest number by which 1000 should be divided so as to get a perfect square is

  • 5
  • 10
  • 100
  • 1000.

  • 6. 
    The smallest 3-digit perfect square is

  • 999
  • 100
  • 961
  • 125.

  • 7. 
    The number of digits in the square root of 62500 is

  • 1
  • 2
  • 3
  • 4.

  • 8. 
    The number of digits in the square root of 441 is

  • 1
  • 2
  • 3
  • 4.

  • 9. 
    The number of digits in the square root of 100 is

  • 1
  • 2
  • 3
  • 4.

  • 10. 
    Find the length of the side of a square whose area is 100 cm².

  • 5 cm
  • 10 cm
  • 100 cm
  • 4 cm.
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