Quiz Discussion

The value of \(\left( {\frac{{0.1 \times 0.1 \times 0.1 + 0.02 \times 0.02 \times 0.02}}{{0.2 \times 0.2 \times 0.2 + 0.04 \times 0.04 \times 0.04}}} \right) \)      is :

• 1] 0.5
• 2] 0.25
• 3] 0.125
• 4] 0.0125

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

• 1]

  1.20

• 2]

  \(1.\overline 2 \)

• 3]

  \(1.\overline {27} \)

• 4]

  \(1.\overline {28} \)

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 price of commodity X increases by 40 paise every year, while the price of commodity Y increases by 15 paise every year. If in 2001, the price of commodity X was Rs. 4.20 and that of Y was Rs. 6.30, in which year commodity X will cost 40 paise more than the commodity Y ?

• 1]

  2010

• 2]

  2011

• 3]

  2012

• 4]

  2013

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

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

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

• 1]

  63/487

• 2]

  119/993

• 3]

  125/999

• 4]

  None of these

  = ?

• 1] 0.4
• 2] 1.2
• 3] 1.4
• 4] 4

47.7 × 12.4 × 8.6 = ?

• 1] 5086.728
• 2] 5218.668
• 3] 5708.428
• 4] 6180.656
• 5] None of these

Solve \({\left( {\frac{{18}}{4}} \right)^2} \times \left( {\frac{{455}}{{19}}} \right) \div   \left( {\frac{{61}}{{799}}} \right) = ?\)

• 1] 6320
• 2] 6400
• 3] 6350
• 4] 6430
• 5] 6490

If \(\frac{{144}}{{0.144}} = \frac{{14.4}}{x}\)   then the value of x is:

• 1] 0.0144
• 2] 1.44
• 3] 14.4
• 4] 144