CBSE Board Practice

Class VI Class VII Class VIII Class IX Class X
CBSE Grade VIII - Squares and Square Roots
Question 1
1.
How many digits are there in the square root of 864900?
  • 0
  • 6
  • 2
  • 3
  • 4
Question 2
2.
Find the smallest 3 digit number which is a perfect square?
  • 101
  • 99
  • 98
  • 102
  • 100
Question 3
3.
Find the greatest 2 digit number which is a perfect square?
  • 83
  • 81
  • 82
  • 80
  • 78
Question 4
4.
Which of the following is a perfect square?
  • 2113
  • 18
  • 120
  • 100
  • 226
Question 5
5.
    • The solution of

    • √

      14
    • lies between
  • 3.7418 and 3.7419
  • 3.7414 and 3.7415
  • 3.7416 and 3.7417
  • 3.7415 and 3.7416
  • 3.7417 and 3.7418
Question 6
6.
Find the smallest 4 digit number which is a perfect square?
  • 1024
  • 1027
  • 1023
  • 1025
  • 1021
Question 7
7.
    • Find the number of numbers between
    • 5 2
       
    • and
    • 6 2
       
  • 10
  • 9
  • 11
  • 7
  • 12
Question 8
8.
    • If

    • √

      2304
    • =
    • 48
    • ,
    • find the value of

    • √

      23.04
  • 4.8
  • 0.5
  • 6.8
  • 48
  • 2.8
Question 9
9.
Find the smallest 2 digit number which is a perfect square?
  • 15
  • 14
  • 17
  • 19
  • 16
Question 10
10.
Find the least number that must be subtracted from 172 to get a perfect square?
  • 1
  • 3
  • 4
  • 2
  • 5