Quiz Discussion

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

Course Name: Quantitative Aptitude

  • 1] 40
  • 2] 44
  • 3] 80
  • 4] 88
Solution
No Solution Present Yet

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# Quiz
1
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
2
Discuss

\(1 + \frac{1}{2} + \frac{1}{4} + \frac{1}{7} + \frac{1}{{14}} + \frac{1}{{28}}\)     is equal to = ?

 

  • 1] 2
  • 2] 2.5
  • 3] 3
  • 4] 3.5
Solution
3
Discuss

If \( \left( {x + \frac{1}{x}} \right){ \text{ = }}\sqrt {13} { \text{,}} \)    then the value of \(\left( {{x^3} - \frac{1}{{{x^3}}}} \right)\)  is = ?

 

  • 1] 26
  • 2] 27
  • 3] 30
  • 4] 36
Solution
4
Discuss

\(4\frac{4}{5} \div 6\frac{2}{5} = ?\)

 

  • 1]

    3/4

  • 2]

    5/7

  • 3]

    5/8

  • 4]

    7/11

  • 5]

    None of these

Solution
5
Discuss

\(\left\{ {\left( {64 - 38} \right) \times 4} \right\} \div 13 = ?\)

 

  • 1] 4
  • 2] 1
  • 3] 8
  • 4] 2
  • 5] 5
Solution
6
Discuss

\(\frac{3}{7}{ \text{of }} 455 + \frac{5}{8}{ \text{of}}456 = ?\)

 

  • 1] 448
  • 2] 464
  • 3] 476
  • 4] 480
  • 5] None of these
Solution
7
Discuss

A millionaire bought a lot of hats 1/4 of which were brown. The millionaire sold 2/3 of the including 4/5 of the brown hats. What fraction of the unsold hats were brown ?

 

  • 1]

    1/60

  • 2]

    1/15

  • 3]

    3/20

  • 4]

    3/5

  • 5]

    3/4

Solution
8
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
9
Discuss

\({ \text{If }}\left( {{n^r} - tn + \frac{1}{4}} \right)\)     be a perfect square, then the values of t are = ?

 

  • 1] ± 2
  • 2] 1, 2
  • 3] 2, 3
  • 4] ± 1
Solution
10
Discuss

If a - b = 3 and a2 + b2 = 29, find the value of ab = ?

  • 1] 10
  • 2] 12
  • 3] 15
  • 4] 18
Solution
# Quiz