Quiz Discussion

3889 + 12.952 - ? = 3854.002

• 1] 47.095
• 2] 47.752
• 3] 47.932
• 4] 47.95

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

Out of the fractions 9/31, 3/17, 6/23, 4/11, and 7/25 which is the largest?

• 1]

  9/31

• 2]

  3/17

• 3]

  6/23

• 4]

  4/11

• 5]

  None of these

Find the value of the following expression upto four places of decimals.

\(\left[ {1 + \frac{1}{{1 \times 2}} + \frac{1}{{1 \times 2 \times 4}} + \frac{1}{{1 \times 2 \times 4 \times 8}} + \frac{1}{{1 \times 2 \times 4 \times 8 \times 16}}} \right]\)

• 1] 1.6414
• 2] 1.6415
• 3] 1.6416
• 4] 1.6428

\(\frac{{{{\left( {0.013} \right)}^3} + 0.000000343}}{{{{\left( {0.013} \right)}^2} - 0.000091 + 0.000049}} = \,?\) = ?

• 1] 0.002
• 2] 0.020
• 3] 0.021
• 4] 0.023

5/9 of a number is equal to twenty five percent of second number. Second number is equal to 1/4 of third number. The value of third number is 2960. What is 30% of first number ?

• 1] 99.9
• 2] 88.8
• 3] 77.7
• 4] None of these

34.95 + 240.016 + 23.98 = ?

• 1] 298.0946
• 2] 298.111
• 3] 298.946
• 4] 299.09

The expression (11.98 × 11.98 + 11.98 × X + 0.02 × 0.02) will be a perfect square for X equal to:

• 1] 0.02
• 2] 0.2
• 3] 0.04
• 4] 0.4

When 0.232323..... is converted into a fraction, then the result is:

• 1]

  1/5

• 2]

  2/9

• 3]

  23/99

• 4]

  23/100

\(\frac{{0.0203 \times 2.92}}{{0.0073 \times 14.5 \times 0.7}} = ?\)

• 1] 0.8
• 2] 1.45
• 3] 2.40
• 4] 3.25