CBSE  /  Class 8  /  Maths  /  Squares and Square Roots

  • 1. 
    The unit digit in the square of the number 125 is

  • 1
  • 2
  • 5
  • 6.

  • 2. 
    The unit digit in the square of the number 166 is

  • 2
  • 4
  • 6
  • 8.

  • 3. 
    The unit digit in the square of the number 27 is

  • 7
  • 2
  • 5
  • 9.

  • 4. 
    The unit digit in the square of the number 78 is

  • 1
  • 2
  • 3
  • 4.

  • 5. 
    The unit digit in the square of the number 209 is

  • 1
  • 2
  • 0
  • 9.

  • 6. 
    Which of the following is not a Pythagorean triplet?

  • 3, 4, 5
  • 6, 8, 10
  • 5, 12, 13
  • 2, 3, 4.

  • 7. 
    If 102 = 100, then the square root of 100 is

  • 1
  • 10
  • 100
  • 1000.

  • 8. 
    If 252 = 625, then the square root of 625 is

  • 5
  • 25
  • 125
  • 625.

  • 9. 
    What could be the possible one’s digit of the square root of 625 ?

  • 2
  • 3
  • 4
  • 5.

  • 10. 
    What could be the possible one’s digit of the square root of 121?

  • 1, 9
  • 3, 4
  • 6, 7
  • 7, 8.
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