Algebra Practice Question and Answer

Q:

यदि दो वास्तविक अचरो a और b की लिए व्यंजक ax3+3x2-8x+b, (x+2) और (x-2) से पूर्णत: विभाजित है, तो

1225 0

  • 1
    a = 2, b = -12
    Correct
    Wrong
  • 2
    a = -2, b = 12
    Correct
    Wrong
  • 3
    a = 2, b = 12
    Correct
    Wrong
  • 4
    a = 12, b = 12
    Correct
    Wrong
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Answer : 1. "a = 2, b = -12"

Q:

यदि x+y+z=22  तथा  xy+yz+zx=35,  हैं, तो (x-y)2 +(y-z)2+(z-x)का मान क्या है?

1223 0

  • 1
    793
    Correct
    Wrong
  • 2
    681
    Correct
    Wrong
  • 3
    758
    Correct
    Wrong
  • 4
    715
    Correct
    Wrong
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Answer : 3. "758"

Q:

यदि p + m = 6 और p3 + m3 = 72 , तो pm का मान क्या है ? 

1202 0

  • 1
    12
    Correct
    Wrong
  • 2
    8
    Correct
    Wrong
  • 3
    6
    Correct
    Wrong
  • 4
    9
    Correct
    Wrong
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Answer : 2. "8 "

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।

1195 0

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

Q:

यदि x = y = 333  और z = 334,  है तो x3 + y3 + z3 – 3xyz का मान क्या होगा ?

1186 0

  • 1
    0
    Correct
    Wrong
  • 2
    667
    Correct
    Wrong
  • 3
    1000
    Correct
    Wrong
  • 4
    2334
    Correct
    Wrong
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Answer : 3. "1000"

Q:

यदि $$ {t^{2}-4t+1=0}$$ तो $${t^{3}+{1\over {t^{3}}}}$$ का मान क्या होगा—

1176 0

  • 1
    44
    Correct
    Wrong
  • 2
    48
    Correct
    Wrong
  • 3
    52
    Correct
    Wrong
  • 4
    64
    Correct
    Wrong
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Answer : 3. "52"

Q:

यदि a3b = abc = 180, है और a, b, c धनात्मक पूर्णांक है तो c का मान ज्ञात करे।

1150 0

  • 1
    4
    Correct
    Wrong
  • 2
    25
    Correct
    Wrong
  • 3
    110
    Correct
    Wrong
  • 4
    1
    Correct
    Wrong
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Answer : 4. "1"

Q:

यदि  a2=b+c, b2=c+a, c2=a+b है तो का $$ {1\over{1+a}}+{1\over{1+b}}+{1\over{1+c}}$$ मान होगा।

1121 1

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

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