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

[(?)2 + (18)2] ÷ 125 = 3.56

• 1] 11
• 2] 12
• 3] 14
• 4] 15
• 5] None of these

The numerator of a fraction is decreased by 25% and the denominator is increased by 250%. If the resultant fraction is 6/5, what is the original fraction?

• 1]

  22/5

• 2]

  24/5

• 3]

  27/6

• 4]

  28/5

• 5]

  30/11

0.3 + 3 + 3.33 + 3.3 + 3.03 + 333 = ?

• 1] 345.99
• 2] 355.96
• 3] 375.66
• 4] 375.93
• 5] None of these

0.002 x 0.5 = ?

• 1] 0.0001
• 2] 0.001
• 3] 0.01
• 4] 0.1

Express 1999/2111 in decimal :

• 1] 0.893
• 2] 0.904
• 3] 0.946
• 4] 0.986

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

      is equal to :

• 1]

  1/2

• 2]

  1/3

• 3]

  2

• 4]

  10

0.04 x 0.0162 is equal to:

• 1] 6.48 x 10-3
• 2] 6.48 x 10-4
• 3] 6.48 x 10-5
• 4] 6.48 x 10-6

The value of \(\frac{{489.1375 \times 0.0483 \times 1.956}}{{0.0873 \times 92.581 \times 99.749}}\)     is closest to:

• 1] 0.006
• 2] 0.06
• 3] 0.6
• 4] 6