Algebra Practice Question and Answer

Q:

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

409 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:

यदि x = 2 तो x3 + 27x2 + 243x + 631 का मान है

339 0

  • 1
    1233
    Correct
    Wrong
  • 2
    1211
    Correct
    Wrong
  • 3
    1231
    Correct
    Wrong
  • 4
    1321
    Correct
    Wrong
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Answer : 1. "1233 "

Q:

दिया है कि x3 + y= 72 और xy = 6 के साथ x > y तो (x – y) का मान है

389 0

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

Q:

यदि x = 332, y = 333, z = 335, तो x3 + y3 + z3 – 3xyz का मान है

357 0

  • 1
    10000
    Correct
    Wrong
  • 2
    7000
    Correct
    Wrong
  • 3
    8000
    Correct
    Wrong
  • 4
    9000
    Correct
    Wrong
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Answer : 2. "7000 "

Q:

सर्कल के त्रिज्या खोजें x2+y2-4x+6y=12

343 0

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

Q:

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

499 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+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 x+y+z=10, x2+y2+z2=30, है, तो x3+y3+z3-3xyz  का मान ______ है।

459 0

  • 1
    −10
    Correct
    Wrong
  • 2
    −70
    Correct
    Wrong
  • 3
    −50
    Correct
    Wrong
  • 4
    −30
    Correct
    Wrong
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Answer : 3. "−50"

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