Quiz Discussion

The expression \(\frac{1}{{x - 1}} - \frac{1}{{x + 1}} - \frac{2}{{{x^2} + 1}} - \frac{4}{{{x^4} + 1}}\)  is equal to = ?

 

Course Name: Quantitative Aptitude

  • 1]

    \(\frac{8}{{{x^8} + 1}}\)

  • 2]

    \(\frac{8}{{{x^8} - 1}}\)

  • 3]

    \(\frac{8}{{{x^7} - 1}}\)

  • 4]

    \(\frac{8}{{{x^7} + 1}}\)

Solution
No Solution Present Yet

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# Quiz
1
Discuss

\(\sqrt {\frac{{{{\left( {0.03} \right)}^2} + {{\left( {0.21} \right)}^2} + {{\left( {0.065} \right)}^2}}}{{{{\left( {0.003} \right)}^2} + {{\left( {0.021} \right)}^2} + {{\left( {0.0065} \right)}^2}}}}\)

 

  • 1] 0.1
  • 2] 10
  • 3] 102
  • 4] 103
Solution
2
Discuss

\(\frac{{225}}{{836}} \times \frac{{152}}{{245}} \div 1\frac{{43}}{{77}} = ?\)

 

  • 1]

    6/49

  • 2]

    6/11

  • 3]

    3/28

  • 4]

    1/7

  • 5]

    None of these

Solution
3
Discuss

Given that ( 12 + 22 + 32 + .......... + 102 ) = 385, then the value of ( 22 + 32 + 42 + .......... + 202 ) is equal to = ?

  • 1] 770
  • 2] 1155
  • 3] 1540
  • 4] (385)2
Solution
4
Discuss

Solve \({ \text{1}}\frac{4}{5} + 20 - 280 \div 25 = ?\)

 

  • 1]

    \(8\frac{1}{5}\)

  • 2]

    \(9\frac{1}{2}\)

  • 3]

    \(11\frac{1}{2}\)

  • 4]

    \(10\frac{3}{5}\)

  • 5]

    \(12\frac{1}{5}\)

Solution
5
Discuss

25 * 3.250 + 50.40 / 24.0 = ?

  • 1]

    75

  • 2]

    80

  • 3]

    77

  • 4]

    83

Solution
6
Discuss

\(\frac{{20 + 8 \times 0.5}}{{20 - ?}}{ \text{ = 12}}\)     Find the value in place of (?)

 

  • 1] 2
  • 2] 8
  • 3] 18
  • 4] None of these
Solution
7
Discuss

If the sum of two numbers is 22 and the sum of their squares is 404, then the product of two numbers is = ?

  • 1] 40
  • 2] 44
  • 3] 80
  • 4] 88
Solution
8
Discuss

Simplify : \(\frac{{\frac{5}{3} \times \frac{7}{{51}}{ \text{ of }}\frac{17}{5} - \frac{1}{3}}}{{\frac{2}{9} \times \frac{5}{7}{ \text{ of }}\frac{{28}}{5} - \frac{2}{3}}}{\kern 1pt} {\kern 1pt} = ?\)

 

  • 1]

    1/3

  • 2]

    1/6

  • 3]

    4

  • 4]

    2

Solution
9
Discuss

A sum of Rs. 1360 has been divided among A, B and C such that A gets 2/3 of what B gets and B gets 1/4 of what C gets. B's share is:

 

  • 1] Rs. 120
  • 2] Rs. 160
  • 3] Rs. 240
  • 4] Rs. 300
  • 5] None of these
Solution
10
Discuss

When \(\left( {\frac{1}{2} - \frac{1}{4} + \frac{1}{5} - \frac{1}{6}} \right) \) is divided by \(\left( {\frac{2}{5} - \frac{5}{9} + \frac{3}{5} - \frac{7}{{18}}} \right)\) then the result is = ?

 

  • 1]

    \({ \text{5}}\frac{1}{{10}}\)

  • 2]

    \({ \text{2}}\frac{1}{{18}}\)

  • 3]

    \({ \text{3}}\frac{1}{6}\)

  • 4]

    \({ \text{3}}\frac{3}{{10}}\)

Solution
# Quiz