CBSE Board Practice

Class VI Class VII Class VIII Class IX Class X
CBSE Grade VIII - Squares and Square Roots
Question 1
1.
If a number has 2 zeros at the end, its square has how many zeros?
  • 5
  • 3
  • 1
  • 6
  • 4
Question 2
2.
    • Express
    • 25 2
       
    • as the sum of two consecutive integers
  • 314 + 311
  • 310 + 315
  • 311 + 312
  • 313 + 314
  • 312 + 313
Question 3
3.
Which of the following is not a perfect square?
  • 1934
  • 625
  • 2116
  • 841
  • 2304
Question 4
4.
    • Find the square root of
    • 8354.7300
  • 92.4042
  • 93.4042
  • 89.4042
  • 91.4042
  • 90.4042
Question 5
5.
Find the greatest 5 digit number which is a perfect square?
  • 99855
  • 99858
  • 99853
  • 99856
  • 99857
Question 6
6.
    • Find the
    • square root
    • of
    • 9
  • 2
  • 4
  • 3
  • 0
  • 6
Question 7
7.
Find the smallest 4 digit number which is a perfect square?
  • 1024
  • 1025
  • 1027
  • 1021
  • 1023
Question 8
8.
Identify the Pythagorean triplet whose one of the numbers is 50
  • {16,49,50}
  • {14,48,50}
  • {15,47,50}
  • {12,46,50}
  • {13,49,50}
Question 9
9.
    • The solution of

    • √

      12
    • lies between
  • 3.4641 and 3.4642
  • 3.4640 and 3.4641
  • 3.4639 and 3.4640
  • 3.4642 and 3.4643
  • 3.4643 and 3.4644
Question 10
10.
Find the least number that must be subtracted from 306 to get a perfect square?
  • 15
  • 18
  • 17
  • 19
  • 16