Equation Questions Practice Question and Answer

Q:

यदि 2x + 3y = 87 और 3x – 3y = 48 है तो x का मान क्या है?

1237 0

  • 1
    29
    Correct
    Wrong
  • 2
    11
    Correct
    Wrong
  • 3
    72
    Correct
    Wrong
  • 4
    इनमें से कोई नहीं
    Correct
    Wrong
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Answer : 4. "इनमें से कोई नहीं"

Q:

यदि α तथा β समीकरण x2 + x - 1 = 0, के मूल हैं तो वह समीरकण क्या है जिनके मूल α5 तथा β5 हैं ? 

1207 0

  • 1
    $$x^2 - 11x - 1 = 0 $$
    Correct
    Wrong
  • 2
    $$x^2 + 11x - 1 = 0$$
    Correct
    Wrong
  • 3
    $$x^2 + 7x - 1 = 0 $$
    Correct
    Wrong
  • 4
    $$x^2 - 7x- 1 = 0 $$
    Correct
    Wrong
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Answer : 2. "$$x^2 + 11x - 1 = 0$$"

Q:

यदि 4x + 5y = 83 और $$ \ {3x\over2y}={21\over22}$$ है तो y- x का मान क्या है?

1170 0

  • 1
    3
    Correct
    Wrong
  • 2
    4
    Correct
    Wrong
  • 3
    7
    Correct
    Wrong
  • 4
    11
    Correct
    Wrong
  • 5
    None of these
    Correct
    Wrong
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Answer : 2. "4"

Q:

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

1159 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:

(3x-7)3+(3x-8)3+(3x+6)3=3(3x-7)(3x-8)(3x+6)

x का मान क्या होगा?

1113 0

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

Q:

यदि $$ {4x^2}={25}^2-{15}^2 $$,  है तो x.का मान है।

1100 0

  • 1
    10
    Correct
    Wrong
  • 2
    50
    Correct
    Wrong
  • 3
    100
    Correct
    Wrong
  • 4
    25
    Correct
    Wrong
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Answer : 1. "10 "

Q:

समीकरण $$({ax}^2+bx+c)$$ (जहाँ a, b तथा c परिमेय संख्याए है ) का मूल 5 +3√3. है। $$({a}^2+b^2+c^2) / (a+b+c) ? $$ का मान क्या है ?

1087 0

  • 1
    35/3
    Correct
    Wrong
  • 2
    37/3
    Correct
    Wrong
  • 3
    -105/11
    Correct
    Wrong
  • 4
    -105/13
    Correct
    Wrong
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Answer : 3. "-105/11"

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