Quiz Discussion

The correct expression of \(6.\overline {46}\) in the fractional form is:

• 1]

  646/99

• 2]

  64640/1000

• 3]

  640/100

• 4]

  640/99

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

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

The rational number for the recurring decimal 0.125125..... is :

• 1]

  63/487

• 2]

  119/993

• 3]

  125/999

• 4]

  None of these

What is the difference between the biggest and the smallest fraction among 2/3, 3/4, 4/5, and 5/6 ?

• 1]

  1/6

• 2]

  1/12

• 3]

  1/20

• 4]

  1/30

The value of \(\frac{{489.1375 \times 0.0483 \times 1.956}}{{0.0873 \times 92.581 \times 99.749}}\)     is closest to:

• 1] 0.006
• 2] 0.06
• 3] 0.6
• 4] 6

Solve this, (3.5 × 1.4)/ 0.7  = ?

• 1] 0.7
• 2] 2.4
• 3] 3.5
• 4] 7.1
• 5] None of these

\(3.\overline {87} - 2.\overline {59} = ?\)

• 1]

  1.20

• 2]

  \(1.\overline 2 \)

• 3]

  \(1.\overline {27} \)

• 4]

  \(1.\overline {28} \)