Find the side of a square whose area is equal to the area of a rectangle with sides 6.4m and 2.5m.
  • 5 m
  • 4.2 m
  • 4 m
  • None of the above
The  least number that must be added to 9225 so as to get a perfect square.
  • 184
  • 151
  • 161
  • 70
The  least number that must be subtracted to 2813 so as to get a perfect square.
  • 15
  • 4
  • 3
  • 12
Match the column
class8-maths-chapter-6-mcq-1.png
  • p -> ii, q -> iv , r -> i, s ->iii
  • p -> ii, q -> i , r -> iv, s ->iii
  • p -> ii, q -> iv , r -> i, s ->ii
  • p -> ii, q -> iii , r -> iv, s ->i
The smallest number by which 1620 must be divided to get a perfect square.
  • 2
  • 3
  • 5
  • 7
The value of   $\sqrt {661 + \sqrt {200  + \sqrt {625} } } $  is
  • 27
  • 28
  • 26
  • 23
Which of the following is incorrect?
  • The square root of 0.9 is 0.3
  • The square of 0.7 is .49
  • Square root of 1.96 is 1.4
  • Square of 1.5 is 2.25
The area of the square field is 234.09 m The perimeter of the field is
  • 61.2 m
  • 66.1 m
  • 70.2 m
  • 64.2 m
least number of four digits that is a perfect square  
  • 1089
  • 1024
  • 1000
  • 1021
A general arranges  7599 soldiers in rows to form a perfect square.  He had to left out 30 soldier for this. The number of soldiers in each row is
  • 88
  • 90
  • 89
  • 87
which of these is correct?
  • A perfect square can have 8 as its units digit.
  • 1000 is a perfect square.
  • There is no square number between 50 and 60.
  • none of these
The square root of 0.9 is?
  • .3
  • 3
  • .03
  • None of the above
How many natural numbers lie between $4^2$ and $6^2$?
  • 20
  • 19
  • 21
  • 18
The smallest perfect square divisible by 3, 4, 5 and 6.
  • 144
  • 625
  • 900
  • 676
The perimeter of the square is 64 cm, then the area of the square is
  • 216 sq cm
  • 256 sq cm
  • 144 sq cm
  • 196 sq cm
The number when multiplied by itself gives 86.49
  • 8.3
  • 9.3
  • 9.7
  • None of these
The value of $\sqrt {349 + \sqrt {52 + \sqrt {144}}}$ is
  • 17
  • 19
  • 21
  • 23
Which of the following cannot be a perfect square?
  • 841
  • 784
  • 576
  • 211
If M is the count of natural numbers lie between $18^2$ and $19^2$?
  • 36
  • 41
  • 37
  • 39
$\sqrt {(1 + 3 + 5 + 7+9 + 11) \times (5^2 + 12^2)}$ is
  • 60
  • 74
  • 65
  • 70
0 h : 0 m : 1 s

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