Quiz Discussion

47.7 × 12.4 × 8.6 = ?

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

The value of \(\frac{{{{\left( {0.96} \right)}^3} - {{\left( {0.1} \right)}^3}}}{{{{\left( {0.96} \right)}^2} + 0.096 + {{\left( {0.1} \right)}^2}}}{ \text{is}}:\)

• 1] 0.86
• 2] 0.95
• 3] 0.97
• 4] 1.06

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

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

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

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

• 1]

  63/487

• 2]

  119/993

• 3]

  125/999

• 4]

  None of these

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

What is difference between biggest and smallest fraction among 2/3, 3/4, 4/5 and 5/6

• 1]

  2/5

• 2]

  3/5

• 3]

  1/6

• 4]

  1/7

[(?)2 + (18)2] ÷ 125 = 3.56

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

The value of (1.25)³ - 2.25 (1.25)² + 3.75 (0.75)² - (0.75)³ is :

• 1]

  1

• 2]

  1/2

• 3]

  1/4

• 4]

  1/8

Which of the following has fractions in ascending order ?

• 1]

  \(\frac{2}{3},\frac{3}{5},\frac{7}{9},\frac{9}{{11}},\frac{8}{9}\)

• 2]

  \(\frac{3}{5},\frac{2}{3},\frac{9}{11},\frac{7}{{9}},\frac{8}{9}\)

• 3]

  \(\frac{3}{5},\frac{2}{3},\frac{7}{9},\frac{9}{{11}},\frac{8}{9}\)

• 4]

  \(\frac{8}{9},\frac{9}{11},\frac{7}{9},\frac{2}{{3}},\frac{3}{5}\)

• 5]

  \(\frac{8}{9},\frac{9}{11},\frac{7}{9},\frac{3}{{5}},\frac{2}{3}\)