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

The price of 2 sarees and 4 shirts is Rs. 1600. With the same money one can buy 1 saree and 6 shirts. If one wants to buy 12 shirts, how much shall he have to pay ?

  • 1] Rs. 1200
  • 2] Rs. 2400
  • 3] Rs. 4800
  • 4] Cannot be determined
  • 5] None of these
Solution
2
Discuss

Free notebooks were distributed equally among children of a class. The number of notebooks each child got was one-eighth of the number of children. Had the number of children been half, each child would have got 16 notebooks. Total how many notebooks were distributed ?

  • 1] 256
  • 2] 432
  • 3] 512
  • 4] 640
  • 5] None of these
Solution
3
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
4
Discuss

Simplify : \({ \text{8}}\frac{1}{2} - \left[ {3\frac{1}{4} + \left\{ {1\frac{1}{4} - \frac{1}{2}\left( {1\frac{1}{2} - \frac{1}{3} - \frac{1}{6}} \right)} \right\}} \right]\)

 

  • 1]

    \(4\frac{1}{2}\)

  • 2]

    \(4\frac{1}{6}\)

  • 3]

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

  • 4]

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

Solution
5
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
6
Discuss

( √5 – 2)^2 = x – √80

  • 1]

    9

  • 2]

    7

  • 3]

    6

  • 4]

    10

Solution
7
Discuss

The value of x in the equation  = 5     is?

 

  • 1] 21
  • 2] 27
  • 3] 35
  • 4] 42
Solution
8
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
9
Discuss

(755.0% of 523.0) / 777.0 = x

  • 1]

    6

  • 2]

    4

  • 3]

    3

  • 4]

    5

Solution
10
Discuss

\(\frac{{ \root 3 \of 8 }}{{\sqrt {16} }} \div \sqrt {\frac{{100}}{{49}}} \times \root 3 \of {125} \)     is equal to = ?

 

  • 1]

    7

  • 2]

    \(1\frac{3}{4}\)

  • 3]

    \(\frac{7}{{1000}}\)

  • 4]

    \(\frac{4}{7}\)

Solution
# Quiz