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Aptitude ➤ Square Roots And Cubes
Square Root: If x2 = y, we say that the square root of y is x and we write, √y = x.
Thus, √4 = 2, √9 = 3, √196 = 14.

Cube Root: The cube root of a given number x is the number whose cube is x. We denote the cube root of x by 3√x.
Thus, ∛8 = ∛2 x 2 x 2 = 2,
∛343 = ∛7 x 7 x 7 = 7 etc.

Note:
1.√xy = √x X √y
2. √(x/y) = √x / √y = (√x / √y) X (√y / √y) = √xy / y
Question 1
Q1.  Evaluate 6084.
Question 2
Q2.  Find the square root of 1471369.
Question 3
Q3.  What is the square root of 0.0009 ?
Question 4
Q4.  The cube root of 0.000216 is :
Question 5
Q5.  The least perfect square, which is divisible by each of 21, 36 and 66 is :

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