CBSE Board Practice

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CBSE Grade VIII - Squares and Square Roots
Question 1
1.
Identify the Pythagorean triplet whose middle number is 24
  • {10,24,26}
  • {11,24,23}
  • {12,24,26}
  • {11,24,25}
  • {9,24,25}
Question 2
2.
Identify the Pythagorean triplet whose smallest number is 16
  • {16,63,65}
  • {16,65,67}
  • {16,64,66}
  • {16,65,66}
  • {16,64,67}
Question 3
3.
    • The solution of

    • √

      18
    • lies between
  • 4.2428 and 4.2429
  • 4.2424 and 4.2425
  • 4.2426 and 4.2427
  • 4.2427 and 4.2428
  • 4.2425 and 4.2426
Question 4
4.
    • Find the square root of
    • 732.700
  • 29.068
  • 27.068
  • 25.068
  • 28.068
  • 26.068
Question 5
5.
Which of the following is a Pythagorean triplet?
  • {20,100,102}
  • {20,99,101}
  • {20,97,101}
  • {20,98,100}
  • {20,101,100}
Question 6
6.
    • If

    • √

      7396
    • =
    • 86
    • ,
    • find the value of

    • √

      73.96
  • 0.9
  • 6.6
  • 8.6
  • 10.6
  • 86
Question 7
7.
    • Find the
    • square root
    • of
    • 16
  • 3
  • 6
  • 4
  • 2
  • 5
Question 8
8.
    • Express
    • 9 2
       
    • as the sum of two consecutive integers
  • 42 + 39
  • 40 + 41
  • 39 + 40
  • 41 + 42
  • 38 + 43
Question 9
9.
Find the smallest 5 digit number which is a perfect square?
  • 10000
  • 10001
  • 9997
  • 9999
  • 10002
Question 10
10.
The smallest number by which 4563 must be divided so that the quotient is a perfect square is?
  • 3
  • 4
  • 1
  • 2
  • 5