Quiz Discussion

5 - [4 - {3 - (3 - 3 - 6)}] is equal to:

• 1] 10
• 2] 6
• 3] 4
• 4] 0

A man has Rs. 480 in the denominations of one-rupee notes, five-rupee notes and ten-rupee notes. The number of notes of each denomination is equal. What is the total number of notes that he has ?

• 1] 45
• 2] 60
• 3] 75
• 4] 90
• 5] None of these

$\left\{ {\left( {\sqrt {72} - \sqrt {18} } \right) \div \sqrt {12} } \right\}$    is equal to = ?

• 1]

  $\sqrt 6$

• 2]

  $\frac{{\sqrt 3 }}{2}$

• 3]

  $\frac{{\sqrt 2 }}{3}$

• 4]

  $\frac{{\sqrt 6 }}{2}$

The Value of ($\sqrt {6} + \sqrt {10} - \sqrt {21} - \sqrt {35}) × (\sqrt {6} - \sqrt {10} + \sqrt {21} - \sqrt {35}$) = ?

• 1] 27
• 2] 18
• 3] 40
• 4] 10

${ \text{If }}x = \frac{1}{{2 + \frac{1}{2}}}{ \text{ then }}\frac{1}{x} = ?$

• 1]

  2/5

• 2]

  5/2

• 3]

  3/5

• 4]

  1/2