Quiz Discussion

The number 0.121212 ... in the form p/q is equal to

• 1]

  4/11

• 2]

  2/11

• 3]

  4/33

• 4]

  2/33

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

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

• 1]

  646/99

• 2]

  64640/1000

• 3]

  640/100

• 4]

  640/99

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

• 1] 0.5
• 2] 1
• 3] 20
• 4] 22

Which of the following has fractions in ascending order ?

• 1]

  \(\frac{2}{3},\frac{3}{5},\frac{7}{9},\frac{9}{{11}},\frac{8}{9}\)

• 2]

  \(\frac{3}{5},\frac{2}{3},\frac{9}{11},\frac{7}{{9}},\frac{8}{9}\)

• 3]

  \(\frac{3}{5},\frac{2}{3},\frac{7}{9},\frac{9}{{11}},\frac{8}{9}\)

• 4]

  \(\frac{8}{9},\frac{9}{11},\frac{7}{9},\frac{2}{{3}},\frac{3}{5}\)

• 5]

  \(\frac{8}{9},\frac{9}{11},\frac{7}{9},\frac{3}{{5}},\frac{2}{3}\)

Which of the following fractions lies between 2/3 and 3/5 = ?

• 1]

  2/5

• 2]

  1/3

• 3]

  1/15

• 4]

  31/50

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

• 1]

  1/5

• 2]

  2/9

• 3]

  23/99

• 4]

  23/100

32.4 × 11.5 × 8.5 = ?

• 1] 3149.5
• 2] 3129.1
• 3] 3167.1
• 4] 3162.5
• 5] None of these

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

• 1]

  63/487

• 2]

  119/993

• 3]

  125/999

• 4]

  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