Algebra Practice Question and Answer

Q:

यदि a+b=17 और  a – b =9 हो, तो $$ {(4a^2+4b^2)}$$  का मान बताइए?

1018 0

  • 1
    710
    Correct
    Wrong
  • 2
    720
    Correct
    Wrong
  • 3
    730
    Correct
    Wrong
  • 4
    740
    Correct
    Wrong
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Answer : 4. "740"

Q:

निम्न समीकरण हो हल कीजिए

994 0

  • 1
    4
    Correct
    Wrong
  • 2
    5
    Correct
    Wrong
  • 3
    10
    Correct
    Wrong
  • 4
    12
    Correct
    Wrong
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Answer : 3. "10"

Q:

यदि $$ {x^2} -4x-1 $$  है तो इसका $$ {{x^6} -{x^4}+{x^2}-1}\over {x^3}$$  मान होगा

732 0

  • 1
    72
    Correct
    Wrong
  • 2
    76
    Correct
    Wrong
  • 3
    80
    Correct
    Wrong
  • 4
    84
    Correct
    Wrong
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Answer : 1. "72"

Q:

सरलीकरण किजिए

1305 0

  • 1
    3/2
    Correct
    Wrong
  • 2
    5/2
    Correct
    Wrong
  • 3
    7/2
    Correct
    Wrong
  • 4
    11/2
    Correct
    Wrong
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Answer : 3. "7/2"

Q:


938 0

  • 1
    -1
    Correct
    Wrong
  • 2
    1
    Correct
    Wrong
  • 3
    2
    Correct
    Wrong
  • 4
    41
    Correct
    Wrong
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Answer : 2. "1"

Q:

यदि दो संख्या x और $$1\over x$$ (जहाँ x ≠ 0) का औसत A है तो x3 और $$1\over {x^3}$$ तो का औसत क्या होगा ?

921 0

  • 1
    $$4A^3-2A$$
    Correct
    Wrong
  • 2
    $$4A^3-3A$$
    Correct
    Wrong
  • 3
    $$4A^3-4A$$
    Correct
    Wrong
  • 4
    $$4A^2-2A$$
    Correct
    Wrong
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Answer : 2. "$$4A^3-3A$$ "

Q:

यदि $$ x={\sqrt3\over{2}}$$ है, तो $$ \sqrt{1+x}-\sqrt{1-x}$$  का मान ज्ञात करें।

908 0

  • 1
    1
    Correct
    Wrong
  • 2
    0
    Correct
    Wrong
  • 3
    $$ \sqrt{3}$$
    Correct
    Wrong
  • 4
    $$ \sqrt{2}$$
    Correct
    Wrong
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Answer : 1. "1"

Q:

यदि a = 2.234, b = 3.121  और c = –5.355, है तो $$ a^3 + b^3 + c^3 – 3abc$$ का मान होगा।

1041 0

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

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