Quiz Discussion

If x + y = 2a, then the value of

Course Name: Quantitative Aptitude

  • 1] 2
  • 2] 0
  • 3] -1
  • 4] 1
Solution
No Solution Present Yet

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# Quiz
1
Discuss

\(\frac{{{{\left( {a - b} \right)}^2} - {{\left( {a + b} \right)}^2}}}{{ - 4a}}{ \text{ = }}\frac{x}{y}\)     On simplifying the given equations, which of the following equations will be obtained ?

 

  • 1] xy = b
  • 2] bx = y
  • 3] ab = x
  • 4] yb = x
  • 5] ay = x
Solution
2
Discuss

3/5 of 4/7 of 5/9 of 21/24 of 504 = ?

  • 1]

    63

  • 2]

    39

  • 3]

    96

  • 4]

    84

Solution
3
Discuss

5907 – 1296 / 144 = x * 8.0

  • 1]

    700.05

  • 2]

    705.25

  • 3]

    751.54

  • 4]

    737.25

Solution
4
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
5
Discuss

(4/9) × 1701 + (2/11) × 1386 = ?

  • 1]

    180

  • 2]

    1080

  • 3]

    1008

  • 4]

    1800

Solution
6
Discuss

\(\frac{3}{2} \times \frac{{11}}{5} \div \left( {\frac{{25}}{{44}} \times \frac{{11}}{5}} \right) \div \frac{{33}}{{15}} = ?\)

 

  • 1]

    1/2

  • 2]

    2/3

  • 3]

    126/125

  • 4]

    \(5\frac{{101}}{{125}}\)

  • 5]

    None of these

Solution
7
Discuss

The value of \({ \text{3}}\frac{1}{2} - \left[ {2\frac{1}{4} \div \left\{ {1\frac{1}{4} - \frac{1}{2}\left( {1\frac{1}{2} - \frac{1}{3} - \frac{1}{6}} \right)} \right\}} \right]\)       = ?

 

  • 1]

    1/2

  • 2]

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

  • 3]

    \(3\frac{1}{2}\)

  • 4]

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

Solution
8
Discuss

The lowest temperature in the night in a city is one third more than 1/2 the highest during the day. Sum of the lowest temperature and the highest temperature is 100 degrees. Then what is the lowest temperature?

 

  • 1] 30 degrees
  • 2] 40 degrees
  • 3] 36 degrees
  • 4] None of these
Solution
9
Discuss

If x = a + m, y = b + m, z = c + m, then the value of \(\frac{{{x^2} + {y^2} + {z^2} - yz - zx - xy}}{{{a^2} + {b^2} + {c^2} - ab - bc - ca}}\)       is = ?

 

  • 1]

    1

  • 2]

    \(\frac{{x + y + z}}{{a + b + c}}\)

  • 3]

    \(\frac{{a + b + c}}{{x + y + z}}\)

  • 4]

    Not possible to find

Solution
10
Discuss

The value of \(\frac{{{{\left( {x - y} \right)}^3} + {{\left( {y - z} \right)}^3} + {{\left( {z - x} \right)}^3}}}{{{{\left( {{x^2} - {y^2}} \right)}^3} + {{\left( {{y^2} - {z^2}} \right)}^3} + {{\left( {{z^2} - {x^2}} \right)}^3}}}\)       is = ?

 

  • 1]

    0

  • 2]

    1

  • 3]

    \({\left[ {2\left( {x + y + z} \right)} \right]^{ - 1}}\)

  • 4]

    \({\left[ {\left( {x + y} \right)\left( {y + z} \right)\left( {z + x} \right)} \right]^{ - 1}}\)

Solution
# Quiz