Aptitude Practice Question and Answer

Q:

рдпрджрд┐┬аa\b + b\a =1,┬арддреЛ┬аa3+b3┬ардХрд┐рддрдирд╛ рд╣реЛрдЧрд╛┬а?

998 0

  • 1
    -1
    Correct
    Wrong
  • 2
    2
    Correct
    Wrong
  • 3
    1
    Correct
    Wrong
  • 4
    0
    Correct
    Wrong
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Answer : 4. "0"

Q:

рдпрджрд┐┬аx+y+z=9┬ардПрд╡рдВ┬аx2+y2+z2=31 рд╣реИ,┬арддреЛ┬аx3+y3+z3-3xyz┬ардХрд╛ рдорд╛рди рдХреНрдпрд╛ рд╣реЛрдЧрд╛┬а?

1676 0

  • 1
    54
    Correct
    Wrong
  • 2
    9
    Correct
    Wrong
  • 3
    27
    Correct
    Wrong
  • 4
    3
    Correct
    Wrong
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Answer : 1. "54"

Q:

рдпрджрд┐┬аa+b=2c┬ард╣реИ,┬арддреЛ┬а$${a\over a-c}+{c\over b-c}?$$рдХрд╛ рдорд╛рди рдЬреНрдЮрд╛рдд рдХрд░реЗрдВ┬а?

846 0

  • 1
    2
    Correct
    Wrong
  • 2
    -1
    Correct
    Wrong
  • 3
    0
    Correct
    Wrong
  • 4
    1
    Correct
    Wrong
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Answer : 4. "1 "

Q:

рдпрджрд┐┬аa-6b = 3┬а┬ард╣реИ,┬арддреЛ┬аa3-216b3-54ab┬ардХрд╛ рдорд╛рди рд╣реЛрдЧрд╛┬а?

1294 0

  • 1
    27
    Correct
    Wrong
  • 2
    64
    Correct
    Wrong
  • 3
    9
    Correct
    Wrong
  • 4
    1
    Correct
    Wrong
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Answer : 1. "27"

Q:

рдпрджрд┐┬а$$\sqrt{a}+\sqrt{b}=15┬а$$┬ардФрд░┬а$$ (\sqrt{a}-\sqrt{b} )= 3$$ рддреЛ┬а$$\sqrt{ab/4} $$┬ардХрд╛ рдорд╛рди рдХрд┐рддрдирд╛ рд╣реЛрдЧрд╛┬а?

776 0

  • 1
    $$27\over 2$$
    Correct
    Wrong
  • 2
    5
    Correct
    Wrong
  • 3
    6
    Correct
    Wrong
  • 4
    7
    Correct
    Wrong
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Answer : 1. "$$27\over 2$$"

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Answer : 1. "1"

Q:

рдпрджрд┐┬аa+b+c=15┬ардФрд░┬аa2+b2+c2=83┬ард╣реИ,┬арддреЛ┬аa3+b3+c3-3abc┬ардХрд╛ рдорд╛рди рдЬреНрдЮрд╛рдд рдХрд░реЗрдВ┬а

1480 0

  • 1
    190
    Correct
    Wrong
  • 2
    210
    Correct
    Wrong
  • 3
    200
    Correct
    Wrong
  • 4
    180
    Correct
    Wrong
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  • Workspace

Answer : 4. "180"

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  • Workspace

Answer : 4. "0"

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