Quiz Discussion

Solve 21.5/5 + 21/6 - 13.5/15 = {(?)^1/3 /4} +17/30

• 1] 2
• 2] 8
• 3] 512
• 4] 324
• 5] None of these

383 × 38 × 3.8 = ?

• 1] 55305.2
• 2] 56305.4
• 3] 57305.6
• 4] 58305.8
• 5] None of these

Which of the following are in descending order of their value ?

• 1]

  $\frac{1}{3},\frac{2}{5},\frac{3}{7},\frac{4}{5},\frac{5}{6},\frac{6}{7}$

• 2]

  $\frac{1}{3},\frac{2}{5},\frac{3}{5},\frac{4}{7},\frac{5}{6},\frac{6}{7}$

• 3]

  $\frac{1}{3},\frac{2}{5},\frac{3}{5},\frac{4}{6},\frac{5}{7},\frac{6}{7}$

• 4]

  $\frac{6}{7},\frac{5}{6},\frac{4}{5},\frac{3}{7},\frac{2}{5},\frac{1}{3}$

Solve ${\left( {\frac{{18}}{4}} \right)^2} \times \left( {\frac{{455}}{{19}}} \right) \div   \left( {\frac{{61}}{{799}}} \right) = ?$

• 1] 6320
• 2] 6400
• 3] 6350
• 4] 6430
• 5] 6490

$\frac{{4.2 \times 4.2 - 1.9 \times 1.9}}{{2.3 \times 6.1}}$    is equal to:

• 1] 0.5
• 2] 1
• 3] 20
• 4] 22