Quiz Discussion

If √x+x/y  = x√x/y  where x and y are positive real numbers, then y is equal to ?

 

Course Name: Quantitative Aptitude

  • 1]

    x + 1

  • 2]

    x - 1

  • 3]

    x2 + 1

  • 4]

    x2 - 1

Solution
No Solution Present Yet

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# Quiz
1
Discuss

\(\sqrt {110.25} \times \sqrt {0.01} \div \)    \(\sqrt {0.0025}\)  - \(\sqrt {420.25}\)  equals ?

 

  • 1] 0.50
  • 2] 0.64
  • 3] 0.73
  • 4] 0.75
Solution
2
Discuss

If \(\sqrt 6 = 2.449{ \text{,}}\)   then the value of \(\frac{{3\sqrt 2 }}{{2\sqrt 3 }}\)   is = ?

 

  • 1] 0.6122
  • 2] 0.8163
  • 3] 1.223
  • 4] 1.2245
Solution
3
Discuss

For what value of * the statement  = 1 is true?

 

  • 1] 15
  • 2] 25
  • 3] 35
  • 4] 45
Solution
4
Discuss

What is the least number which should be subtracted 0.000326 in order to make it a perfect square = ?

  • 1] 0.000002
  • 2] 0.000004
  • 3] 0.02
  • 4] 0.04
Solution
5
Discuss

The smallest natural number which is a perfect square and which ends in 3 identical digits lies between ?

  • 1] 1000 and 2000
  • 2] 2000 and 3000
  • 3] 3000 and 4000
  • 4] 4000 and 5000
Solution
6
Discuss

If \(a = \frac{{\sqrt 5 + 1}}{{\sqrt 5 - 1}}   \) and \(b = \frac{{\sqrt 5 - 1}}{{\sqrt 5 + 1}},\)   the value of \(\left( {\frac{{{a^2} + ab + {b^2}}}{{{a^2} - ab + {b^2}}}} \right)\)   is ?

 

  • 1]

    3/4

  • 2]

    4/3

  • 3]

    3/5

  • 4]

    5/3

Solution
7
Discuss

Evaluate -

  • 1]

    3

  • 2]

    5

  • 3]

    6

  • 4]

    6.4

Solution
8
Discuss

\(\sqrt {1.5625} = ?\)

 

  • 1] 1.05
  • 2] 1.25
  • 3] 1.45
  • 4] 1.55
Solution
9
Discuss

Three fifth of the square of a certain number is 126.15, What is the number?

  • 1]

    210.25

  • 2]

    75.69

  • 3]

    14.5

  • 4]

    145

Solution
10
Discuss

\(\frac{1}{{\left( {\sqrt 9 - \sqrt 8 } \right)}} -   \frac{1}{{\left( {\sqrt 8 - \sqrt 7 } \right)}} +   \frac{1}{{\left( {\sqrt 7 - \sqrt 6 } \right)}} -   \frac{1}{{\left( {\sqrt 6 - \sqrt 5 } \right)}} +   \frac{1}{{\left( {\sqrt 5 - \sqrt 4 } \right)}}\)   is equal to ?

 

  • 1]

    0

  • 2]

    1/3

  • 3]

    1

  • 4]

    5

Solution
# Quiz