Quiz : Squares and Square Roots

There are 10 questions in this quiz. Answer all the questions and comment how many you got correct with something about yourself.

If the diagonal of a square is doubled, then area of the square becomes

2 times
3 times
4 times
6 times


√(.05×.5×a) = .05×.05×√b then a/b = ?

0.0025
0.025
0.25
none of these


√2401 = √(7^x), then the value of x is _______

3
4
b
6


Find the value of a² + 2(b² + c²). if b=1, c=3 and a = 2 is _________

24
13
20
30


The least square number exactly divisible by 8,12,15 and 20 is _____

900
1200
3600
14400


What is the least number by which if 180 is multiplied, then the product is a perfect square?

4
3
5
6


What is the least number by which 9408 is divided, that the quotient is a perfect square?

4
6
5
3


The value of √0.0625 is ______

0.25
2.5
0.025
None of these


The value of √(324/13) × 52/72 is _________

8
9
1
√13


The value of √1.21 - √0.01 is equal to _______

0.99
1
√1.2
0.82