Equation Questions Practice Question and Answer

Q:

समीकरण $$ {x^{2}-24x+k=0}$$ के मूलों में से एक, x=2 है तो दूसरा मूल होगा:

1186 0

  • 1
    x=-22
    Correct
    Wrong
  • 2
    x=12
    Correct
    Wrong
  • 3
    x=22
    Correct
    Wrong
  • 4
    x=-12
    Correct
    Wrong
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Answer : 3. "x=22"

Q:

.$$ ({2+\sqrt{5}})$$ और  $$ ({2-\sqrt{5}})$$ मूलों वाला द्विघात समीकरण है।

901 0

  • 1
    $$ {x^{2}-3x-4=0}$$
    Correct
    Wrong
  • 2
    $$ {x^{2}+3x-4=0}$$
    Correct
    Wrong
  • 3
    $$ {x^{2}-3x+4=0}$$
    Correct
    Wrong
  • 4
    $$ {x^{2}+3x+4=0}$$
    Correct
    Wrong
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Answer : 1. "$$ {x^{2}-3x-4=0}$$"

Q:

निम्न में से कौनसा रेखिक समीकरण है।

820 0

  • 1
    14 – x =8
    Correct
    Wrong
  • 2
    $$ {14x^{2}+3=8}$$
    Correct
    Wrong
  • 3
    $$ {2^{3}+8=0}$$
    Correct
    Wrong
  • 4
    $$ {x+{1\over x}=3}$$
    Correct
    Wrong
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Answer : 1. "14 – x =8"

Q:

$$ {12x^{2}+7y^{2}-12}$$ का गुणनखण्ड है।

1002 0

  • 1
    (4y+3)
    Correct
    Wrong
  • 2
    (3y-4)
    Correct
    Wrong
  • 3
    (4y-3)
    Correct
    Wrong
  • 4
    (3y+2)
    Correct
    Wrong
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Answer : 3. "(4y-3)"

Q:

13x -14= 9x+10  , x का मान क्या है?

926 0

  • 1
    6
    Correct
    Wrong
  • 2
    2
    Correct
    Wrong
  • 3
    1
    Correct
    Wrong
  • 4
    3
    Correct
    Wrong
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Answer : 1. "6"

Q:

$$ {ab-a-b+1}$$ का गुणनखण्ड है।

828 0

  • 1
    (a-1)(b-1)
    Correct
    Wrong
  • 2
    (a+1)(b-1)
    Correct
    Wrong
  • 3
    (a-1)(b+1)
    Correct
    Wrong
  • 4
    (a+b)(b-1)
    Correct
    Wrong
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Answer : 1. "(a-1)(b-1)"

Q:

यदि $$ {x^2-12x+33=0}$$, है,तो $${(x-4)^2+[{1\over({x-4})^2}}]$$ का मान क्या है?

855 0

  • 1
    16
    Correct
    Wrong
  • 2
    18
    Correct
    Wrong
  • 3
    20
    Correct
    Wrong
  • 4
    14
    Correct
    Wrong
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Answer : 4. "14"

Q:

यदि समीकरण $$ {Ax^2+Bx+C=0}$$ का एक मूल दूसरे मूल से ढाई गुणा है, तो निम्नलिखित में से कोन सा सत्य है?

908 0

  • 1
    $$ {7B^2=3CA}$$
    Correct
    Wrong
  • 2
    $$ {7B^2=4CA}$$
    Correct
    Wrong
  • 3
    $$ {7B^2=36CA}$$
    Correct
    Wrong
  • 4
    $$ {10B^2=49CA}$$
    Correct
    Wrong
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Answer : 4. "$$ {10B^2=49CA}$$"

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