Quiz Discussion

If \(\left( {x - \frac{1}{x}} \right){ \text{ = }}\sqrt {21} { \text{,}} \)    then the value of \(\left( {{x^2} + \frac{1}{{{x^2}}}} \right) \left( {x + \frac{1}{x}} \right)\) is = ?

 

Course Name: Quantitative Aptitude

  • 1] 42
  • 2] 63
  • 3] 115
  • 4] 120
  • 5] 125
Solution
No Solution Present Yet

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# Quiz
1
Discuss

\(6\frac{5}{6} \times 5\frac{1}{3} \times 17\frac{2}{3} \times 4\frac{1}{2} = ?\)

 

  • 1]

    \(112\frac{1}{3}\)

  • 2]

    \(116\frac{2}{3}\)

  • 3]

    240

  • 4]

    663

  • 5]

    None of these

Solution
2
Discuss

If (2a+b)/(a+4b)=3 , then find the value of (a+b)/(a+2b)

  • 1]

    10/9

  • 2]

    1/9

  • 3]

    11/7

  • 4]

    8/7

Solution
3
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
4
Discuss

Simplify : \(\root 3 \of { - 2197} \,\times \)  \(\root 3 \of { - 125} \,\,\div \)   \(\root 3 \of {\frac{{27}}{{512}}} \)  = ?

 

  • 1]

    \(\frac{{492}}{7}\)

  • 2]

    \(\frac{{520}}{3}\)

  • 3]

    \(\frac{{554}}{7}\)

  • 4]

    \(\frac{{571}}{5}\)

Solution
5
Discuss

To fill a tank, 25 buckets of water is required. How many buckets of water will be required to fill the same tank if the capacity of the bucket is reduced to two-fifth of its present ?

  • 1] 10
  • 2] 35
  • 3] 62.5
  • 4] Cannot be determined
  • 5] None of these
Solution
6
Discuss

Eight people are planning to share equally the cost of a rental car. If one person withdraws from the arrangement and the others share equally the entire cost of the car, then the share of each of the remaining persons increased by:

  • 1]

    1/7

  • 2]

    1/8

  • 3]

    1/9

  • 4]

    7/8

  • 5]

    None of these

Solution
7
Discuss

Let a = (4 ÷ 3) ÷ 3 ÷ 4, b = 4 ÷ (3 ÷ 3) ÷ 4, c = 4 ÷ 3 ÷ (3 ÷ 4), The maximum value among the above three is?

  • 1] a
  • 2] b
  • 3] c
  • 4] All equal
Solution
8
Discuss

In a regular week, there are 5 working days and for each day, the working hours are 8. A man gets Rs. 2.40 per hour for regular work and Rs. 3.20 per hours for overtime. If he earns Rs. 432 in 4 weeks, then how many hours does he work for ?

  • 1] 160
  • 2] 175
  • 3] 180
  • 4] 195
  • 5] None of these
Solution
9
Discuss

Find the value of \(\sqrt {4 + \sqrt {44 + \sqrt {10000} } } \)

 

  • 1] 12
  • 2] 8
  • 3] 4
  • 4] -4
Solution
10
Discuss

(36.14)^2 – (21.28)^2 =?

  • 1]

    850

  • 2]

    860

  • 3]

    865

  • 4]

    853

Solution
# Quiz