Quiz Discussion

By what least number 4320 be multiplied to obtain a number which is a perfect cube?

• 1]

  35

• 2]

  48

• 3]

  50

• 4]

  62

What is the smallest number by which 3600 be divided to make it a perfect cube ?

• 1] 9
• 2] 50
• 3] 300
• 4] 450

If $\sqrt 5 = 2.236,$   then the value of $\frac{{\sqrt 5 }}{2} - \frac{{10}}{{\sqrt 5 }} + \sqrt {125}$   is equal to :

• 1] 5.59
• 2] 7.826
• 3] 8.944
• 4] 10.062

$\sqrt {110.25} \times \sqrt {0.01} \div$    $\sqrt {0.0025}$  - $\sqrt {420.25}$  equals ?

• 1] 0.50
• 2] 0.64
• 3] 0.73
• 4] 0.75

If $\sqrt {33} = 5.745{ \text{}}$   then which of the following values is approximately $\sqrt {\frac{3}{{11}}} { \text{ ?}}$

• 1] 1
• 2] 6.32
• 3] 0.5223
• 4] 2.035