Quiz Discussion

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

• 1] 2
• 2] 4
• 3] 6
• 4] 8

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

• 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

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

• 1]

  646/99

• 2]

  64640/1000

• 3]

  640/100

• 4]

  640/99

The value of \(\left( {\frac{{0.943 \times 0.943 - 0.943 \times 0.057 + 0.057 \times 0.057}}{{0.943 \times 0.943 \times 0.943 + 0.057 \times 0.057 \times 0.057}}} \right)\) is :

• 1] 0.32
• 2] 0.886
• 3] 1.1286
• 4] None of these

Which of the following has fractions in ascending order?

• 1]

  2/3,3/5,7/9,9/11,8/9

• 2]

   

  3/5,2/3,9/11,7/9,8/9

• 3]

   

  3/5,2/3,7/9,9/11,8/9

• 4]

   

   8/9,9/11,7/9,2/3,3/5

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

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

What decimal of an hour is a second ?

• 1] .0025
• 2] .0256
• 3] .00027
• 4] .000126

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

The arrangement of rational numbers, -7/10, 5/-8, 2/-3  in ascending order is :

• 1]

  

• 2]

  

• 3]

  

• 4]