Algebra Practice Question and Answer

Q:

यदि (3x – 2y) : (2x + 3y) = 5 : 6, तो $${\left({^3\sqrt { x}+\ ^3\sqrt { y}\over ^3\sqrt { x}-\ ^3\sqrt { y} } \right) \ }^2$$  का एक मान है

808 0

  • 1
    $$1\over 5$$
    Correct
    Wrong
  • 2
    5
    Correct
    Wrong
  • 3
    $$1\over 25$$
    Correct
    Wrong
  • 4
    25
    Correct
    Wrong
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Answer : 4. "25"

Q:

यदि $${{x^{24}+1}\over x^{12}}=7$$ तो $${{x^{72}+1}\over x^{36}}$$  का मान है

805 0

  • 1
    433
    Correct
    Wrong
  • 2
    322
    Correct
    Wrong
  • 3
    343
    Correct
    Wrong
  • 4
    432
    Correct
    Wrong
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Answer : 2. "322 "

Q:

x8 – 1 और x4 + 2x3 – 2x – 1 का HCF है:

802 0

  • 1

    x2 + 1 

    Correct
    Wrong
  • 2

    x2 – 1 

    Correct
    Wrong
  • 3

    x + 1

    Correct
    Wrong
  • 4

    x – 1

    Correct
    Wrong
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Answer : 4. "

x – 1

"

Q:

यदि a + b – c = 0 तो 2b2c2 + 2c2a2 + 2a2b2 –a4 – b– cका मान है

802 0

  • 1
    7
    Correct
    Wrong
  • 2
    0
    Correct
    Wrong
  • 3
    14
    Correct
    Wrong
  • 4
    28
    Correct
    Wrong
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Answer : 2. "0"

Q:

यदि $$ a={b^2\over b-a} $$ तो a3 + b3 का मान है

795 0

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

Q:

यदि $$m+{1\over(m-2)}=4$$, है, तो $$ (m-2)^2+ \left({{1\over {m-2}}} \right)^2 \ $$ का मान ज्ञात कीजिए

793 0

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

Q:

यदि a = 34, b = c = 33, तो a3 + b3 + c3 – 3abc का मान है

786 0

  • 1
    0
    Correct
    Wrong
  • 2
    111
    Correct
    Wrong
  • 3
    50
    Correct
    Wrong
  • 4
    100
    Correct
    Wrong
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Answer : 4. "100"

Q:

यदि $$P_1$$, $$P_2$$, और $$P_3$$ तीन अलग-अलग अभाज्य संख्याएं हैं, तो $$P_1$$, $$P_2$$ और $$P_3$$ का सबसे छोटा उभयनिष्ठ गुणजक्या होगा?

786 1

  • 1
    $$P_1$$
    Correct
    Wrong
  • 2
    $$P_1 × P_2 × P_3$$
    Correct
    Wrong
  • 3
    $$P_2 × P_3$$
    Correct
    Wrong
  • 4
    $$P_1 + P_2 + P_3$$
    Correct
    Wrong
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Answer : 2. "$$P_1 × P_2 × P_3$$"

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