Quiz Discussion

The expression (11.98 × 11.98 + 11.98 × X + 0.02 × 0.02) will be a perfect square for X equal to:

• 1] 0.02
• 2] 0.2
• 3] 0.04
• 4] 0.4

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

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

Solve 21.5/5 + 21/6 - 13.5/15 = {(?)^1/3 /4} +17/30

• 1] 2
• 2] 8
• 3] 512
• 4] 324
• 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

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

• 1]

  4/11

• 2]

  2/11

• 3]

  4/33

• 4]

  2/33

If 47.2506=4A+7/B+2C+5/D +6E then the value of 5A+3B+6C+D+3E is

• 1]

  53.6003

• 2]

  53.603

• 3]

  153.6003

• 4]

  213.003

\(\frac{{.009}}{?} = .01\)

• 1] .0009
• 2] .09
• 3] .9
• 4] 9

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

  = ?

• 1] 0.4
• 2] 1.2
• 3] 1.4
• 4] 4

Which of the following fractions is greater than 3/4 and less than 5/6 ?

• 1]

  1/2

• 2]

  2/3

• 3]

  4/5

• 4]

  9/10