Algebra Question with answer Practice Question and Answer

Q:

यदि (x + 6y) = 8, और xy = 2, जहाँ x > O, (x3+216y3) का मान क्या है?

517 0

  • 1
    476
    Correct
    Wrong
  • 2
    288
    Correct
    Wrong
  • 3
    224
    Correct
    Wrong
  • 4
    368
    Correct
    Wrong
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Answer : 3. "224"

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 x = z = 225 और y = 226 तो x3 + y3 + z3 – 3xyz का मान है

483 0

  • 1
    765
    Correct
    Wrong
  • 2
    676
    Correct
    Wrong
  • 3
    576
    Correct
    Wrong
  • 4
    674
    Correct
    Wrong
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Answer : 2. "676 "

Q:

यदि a+b+c=7 और a3+b3+c3-3abc=175, तो (ab+bc+ca) का मान क्या है?

477 0

  • 1
    8
    Correct
    Wrong
  • 2
    9
    Correct
    Wrong
  • 3
    7
    Correct
    Wrong
  • 4
    6
    Correct
    Wrong
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Answer : 1. "8"

Q:

यदि a = 2·361, b = 3·263 और c = 5·624, तो a3 + b3 – c+ 3abc का मान है  

475 0

  • 1
    35·621
    Correct
    Wrong
  • 2
    0
    Correct
    Wrong
  • 3
    19·277
    Correct
    Wrong
  • 4
    1
    Correct
    Wrong
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Answer : 2. "0"

Q:

यदि x+y =3 तथा $${1\over x}+{1\over y}= -{3\over 10}$$  है, तो (x2+y2)  का मान क्या है?

466 0

  • 1
    29
    Correct
    Wrong
  • 2
    28
    Correct
    Wrong
  • 3
    26
    Correct
    Wrong
  • 4
    34
    Correct
    Wrong
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  • Workspace

Answer : 1. "29"

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  • Workspace

Answer : 1. "6480"

Q:

यदि $$\sqrt { 11- 3\sqrt { 8}}=a+b\sqrt { 2}$$, तो (2a+3b) का मान क्या है?

464 0

  • 1
    7
    Correct
    Wrong
  • 2
    9
    Correct
    Wrong
  • 3
    3
    Correct
    Wrong
  • 4
    5
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "3"

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