Maths Practice Question and Answer

Q:

समीकरण $$2x^2-7x+ 12=0 $$  के दो मूल α व β है, तो $$ {α \over β }   + {β \over α }=? $$

2000 1

  • 1
    24
    Correct
    Wrong
  • 2
    $$ {1 \over 24 }$$
    Correct
    Wrong
  • 3
    12
    Correct
    Wrong
  • 4
    $$ {1 \over 12 }$$
    Correct
    Wrong
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Answer : 2. "$$ {1 \over 24 }$$"

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Answer : 3. "1568 "

Q:

 दो संख्याओं का योग 232 और उनका म.स.प. 29 है। संख्याओं के कितने जोड़े इनकों   संतुष्ट करेंगे ?

1998 0

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

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Answer : 2. "0.75"

Q:

$$ cot\ {π\over 20}\ cot{3π\over 20} \cot{5π\over20}\ cot{7π\over 20}\ cot {9π\over20}$$ का मान होगा।

1998 0

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

Q:

यदि $${3-5x\over 2x}+{3-5y\over 2y}+{3-5z\over 2z}=0$$ है, तो $${2\over x}+{2\over y}+{2\over z}$$ का मान ज्ञात करें।

1997 0

  • 1
    20
    Correct
    Wrong
  • 2
    10
    Correct
    Wrong
  • 3
    5
    Correct
    Wrong
  • 4
    15
    Correct
    Wrong
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Answer : 2. "10"

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