# Square Roots and Cube Roots Questions

Q:

The cube root of .000216 is:

 A) .6 B) .06 C) 77 D) 87

Explanation:

${\left(.000216\right)}^{\frac{1}{3}}={\left(\frac{216}{{10}^{6}}\right)}^{\frac{1}{3}}={\left[\frac{6*6*6}{{10}^{2}*{10}^{2}*{10}^{2}}\right]}^{\frac{1}{3}}=\left[\frac{6}{{10}^{2}}\right]=0.06$

42 8396
Q:

If $\sqrt{0.00000676}=0.0026$ then $\sqrt{6760000}$ is:

 A) 2.6 B) 26 C) 260 D) 2600

Explanation:

25 2532
Q:

A group of students decided to collect as many paise from each member of group as is the number of members. If the total collection amounts to Rs. 59.29, the number of the member is the group is:

 A) 57 B) 67 C) 77 D) 87

Explanation:

Money collected = (59.29 x 100) paise = 5929 paise.

Number of members = $\sqrt{5929}$ = 77.

17 2467
Q:

If x =

 A) 3sqrt{3} B) 8sqrt{3} C) 14 D) 14+8sqrt{3}

Explanation:

31 1681
Q:

 A) 3 B) 3sqrt{2} C) 6 D) None of these

Explanation:

13 1618
Q:

If

 A) a=-11,b=-6 B) a=-11,b=6 C) a=11,b=-6 D) a=11,b=6

Explanation:

6 1187
Q:

What should come in place of both the question marks in the equation

$\frac{?}{\sqrt{128}}=\frac{\sqrt{162}}{?}$

 A) 12 B) 14 C) 144 D) 196

Explanation:

Let $\frac{x}{\sqrt{128}}=\frac{\sqrt{162}}{x}$

Then,

$\therefore x=12$

8 1139
Q:

If  , the value of 6x24 is:

 A) 41 B) 42 C) 43 D) 44