Quiz Discussion

$4\frac{4}{5} \div 6\frac{2}{5} = ?$

• 1]

  3/4

• 2]

  5/7

• 3]

  5/8

• 4]

  7/11

• 5]

  None of these

Evaluate : $\frac{{\left( {923 - 347} \right)}}{?} = 32$

• 1] 35
• 2] 20
• 3] 18
• 4] 15
• 5] 40

$\left( {x + \frac{1}{x}} \right)\left( {x - \frac{1}{x}} \right)\left( {{x^2} + \frac{1}{{{x^2}}} - 1} \right)\left( {{x^2} + \frac{1}{{{x^2}}} + 1} \right)$   is equal to ?

• 1]

  ${x^6} - \frac{1}{{{x^6}}}$

• 2]

  ${x^8} - \frac{1}{{{x^8}}}$

• 3]

  ${x^6} + \frac{1}{{{x^6}}}$

• 4]

  ${x^8} + \frac{1}{{{x^8}}}$

If 12 + 22 + 32 + . . . . . + p2 = $\left[ {\frac{{{ \text{p}}\left( {{ \text{p}} + 1} \right)\left( {2{ \text{p}} + 1} \right)}}{6}} \right]{ \text{,}}$     then 12 + 32 + 52 + . . . . . + 172 is = ?

• 1] 969
• 2] 1785
• 3] 980
• 4] 1700

The value of x in the equation  = 5     is?

• 1] 21
• 2] 27
• 3] 35
• 4] 42