CBSE  /  Class 8  /  Maths  /  Squares and Square Roots

  • 1. 
    What could be the possible one’s digit of the square root of 361?

  • 1, 9
  • 3, 4
  • 6, 7
  • 7, 8.

  • 2. 
    What could be the possible one’s digit of the square root of 576?

  • 4, 6
  • 5, 7
  • 1, 8
  • 2, 9.

  • 3. 
    What could be the possible one’s digit of the square root of 676?

  • 4, 6
  • 5, 7
  • 1, 8
  • 2, 9.

  • 4. 
    The smallest number by which 32 should be multiplied so as to get a perfect square is

  • 2
  • 3
  • 4
  • 8.

  • 5. 
    The smallest number by which 48 should be multiplied so as to get a perfect square is

  • 2
  • 3
  • 4
  • 5.

  • 6. 
    The smallest number by which 45 should be multiplied so as to get a perfect square is

  • 2
  • 3
  • 5
  • 7.

  • 7. 
    The smallest number by which 54 should be multiplied so as to get a perfect square is

  • 2
  • 3
  • 4
  • 6.

  • 8. 
    The smallest number by which 28 should be multiplied so as to get a perfect square is

  • 2
  • 4
  • 3
  • 7.

  • 9. 
    The smallest number by which 1000 should be multiplied so as to get a perfect square is

  • 5
  • 10
  • 4
  • 8.

  • 10. 
    The smallest number by which 128 should be divided so as to get a perfect square is

  • 2
  • 3
  • 4
  • 8.
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