Aptitude Practice Question and Answer

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Answer : 1. "$$ 100 \sqrt { 3} \ $$"

Q:

рдпрджрд┐┬аx+y+z=10, x2+y2+z2=30, рд╣реИ, рддреЛ┬аx3+y3+z3-3xyz ┬ардХрд╛ рдорд╛рди ______ рд╣реИред

892 0

  • 1
    тИТ10
    Correct
    Wrong
  • 2
    тИТ70
    Correct
    Wrong
  • 3
    тИТ50
    Correct
    Wrong
  • 4
    тИТ30
    Correct
    Wrong
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Answer : 3. "тИТ50"

Q:

(x + a) рдФрд░ (x + b) рдХрд╛ рдЧреБрдгрдирдлрд▓ рдХреНрдпрд╛ рд╣реИ?

820 0

  • 1
    x2+(a-b)x+ab
    Correct
    Wrong
  • 2

    x2+(a-b)x-ab

    Correct
    Wrong
  • 3

    x2+(a+b)x+ab

    Correct
    Wrong
  • 4

    x2+(a+b)x-ab

    Correct
    Wrong
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Answer : 3. "

x2+(a+b)x+ab

"

Q:

sin 730 + cos 1370рдХрд╛ рдорд╛рди рд╣реИ:

967 0

  • 1

    cos 130

    Correct
    Wrong
  • 2

    sin 130

    Correct
    Wrong
  • 3

    cos 180

    Correct
    Wrong
  • 4

    sin 180

    Correct
    Wrong
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Answer : 2. "

sin 130

"

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