Quiz Discussion

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

• 1] 0.5
• 2] 1
• 3] 20
• 4] 22

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

• 1]

  646/99

• 2]

  64640/1000

• 3]

  640/100

• 4]

  640/99

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]

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

The fraction \( 101\frac{{27}}{{100000}}\)   in decimal for is

• 1] .01027
• 2] .10127
• 3] 101.00027
• 4] 101.000027

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

32.4 × 11.5 × 8.5 = ?

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

The value of \(\frac{{3.157 \times 4126 \times 3.198}}{{63.972 \times 2835.121}}\)    is closest to :

• 1] 0.002
• 2] 0.02
• 3] 0.2
• 4] 2

Evalute \(:\frac{{{{\left( {2.39} \right)}^2} - {{\left( {1.61} \right)}^2}}}{{2.39 - 1.61}}\)

• 1] 2
• 2] 4
• 3] 6
• 4] 8

If 2994 ÷ 14.5 = 172, then 29.94 ÷ 1.45 = ?

• 1] 0.172
• 2] 1.72
• 3] 17.2
• 4] 172

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

• 1]

  1/5

• 2]

  2/9

• 3]

  23/99

• 4]

  23/100