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

      is equal to :

• 1]

  1/2

• 2]

  1/3

• 3]

  2

• 4]

  10

How many digits will be there to the right of the decimal point in the product of 95.75 and .02554 ?

• 1] 5
• 2] 6
• 3] 7
• 4] None of these

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

• 1] 2
• 2] 4
• 3] 6
• 4] 8

534.596 + 61.472 - 496.708 = ? + 27.271

• 1] 62.069
• 2] 72.089
• 3] 126.631
• 4] 132.788
• 5] None of these

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

Given, 168 × 32 = 5376 , then 5.376 ÷ 16.8 is equal to :

• 1] 0.032
• 2] 0.32
• 3] 3.2
• 4] 32

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

• 1]

  1/5

• 2]

  2/9

• 3]

  23/99

• 4]

  23/100

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 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