Algebra Question with answer Practice Question and Answer

Q:

यदि x + y + z=1, xy+yz+zx=-26 और x3 + y3+z3=151 है तो xyz का मान क्या होगा?

882 0

  • 1
    -18
    Correct
    Wrong
  • 2
    32
    Correct
    Wrong
  • 3
    24
    Correct
    Wrong
  • 4
    – 30
    Correct
    Wrong
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Answer : 3. "24"

Q:

यदि (a-b)=-3 , (b-c)=5 and (c-a)=-2 है तो $$ {a^{3}+b^{3}+c^{3}-3abc\over a+b+c}$$ का मान है।

878 0

  • 1
    18
    Correct
    Wrong
  • 2
    17
    Correct
    Wrong
  • 3
    10.5
    Correct
    Wrong
  • 4
    20.5
    Correct
    Wrong
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Answer : 2. "17"

Q:

यदि x2+y2-4x-4y+8=0 है तो x-y का मान क्या होगा ?

866 0

  • 1
    0
    Correct
    Wrong
  • 2
    8
    Correct
    Wrong
  • 3
    4
    Correct
    Wrong
  • 4
    -4
    Correct
    Wrong
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Answer : 1. "0"

Q:

यदि (a+b)=16 और a3+b3=1456 है, तो ab का मान क्या है?

863 0

  • 1
    50
    Correct
    Wrong
  • 2
    48
    Correct
    Wrong
  • 3
    64
    Correct
    Wrong
  • 4
    55
    Correct
    Wrong
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Answer : 4. "55"

Q:

यदि $$ {a^4+1}={{a^2}\over{b^2}}{(4b^2-b^4-1)}$$,है,तो $${a^4+b^4}$$का मान क्या है?

857 0

  • 1
    16
    Correct
    Wrong
  • 2
    2
    Correct
    Wrong
  • 3
    32
    Correct
    Wrong
  • 4
    64
    Correct
    Wrong
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Answer : 2. "2"

Q:

यदि a+b=2c है, तो $${a\over a-c}+{c\over b-c}?$$का मान ज्ञात करें ?

840 0

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

Q:

यदि $$ P={{x^2-36}\over{x^2-49}}$$  और $$ Q={{x+6}\over{x+7}}$$  है तो  $$ {P\over{Q}}$$  का मान होगा।

836 0

  • 1
    $$ {x-6}\over {x-7}$$
    Correct
    Wrong
  • 2
    $$ {x-6}\over {x+7}$$
    Correct
    Wrong
  • 3
    $$ {x-7}\over {x+6}$$
    Correct
    Wrong
  • 4
    $$ {x+6}\over {x-7}$$
    Correct
    Wrong
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Answer : 1. "$$ {x-6}\over {x-7}$$"

Q:

672–332 का मान है।

831 0

  • 1
    3200
    Correct
    Wrong
  • 2
    3400
    Correct
    Wrong
  • 3
    3146
    Correct
    Wrong
  • 4
    3143
    Correct
    Wrong
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Answer : 2. "3400"

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