Algebra Practice Question and Answer

Q:

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

363 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 x = 19 और y = 18, तो $$ {{x^2}+{y^2}+{xy}}\over x^3-y3 $$ का मान है

362 0

  • 1
    1
    Correct
    Wrong
  • 2
    37
    Correct
    Wrong
  • 3
    324
    Correct
    Wrong
  • 4
    361
    Correct
    Wrong
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Answer : 1. "1 "

Q:

यदि a + b + c = 6, a3 + b3+c3-3abc=342, तो ab + bc + ca का मान क्या है?

362 0

  • 1
    5
    Correct
    Wrong
  • 2
    8
    Correct
    Wrong
  • 3
    -7
    Correct
    Wrong
  • 4
    -5
    Correct
    Wrong
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Answer : 3. "-7 "

Q:

यदि (3x – 2y) : (2x + 3y) = 5 : 6, तो $${\left({^3\sqrt { x}+\ ^3\sqrt { y}\over ^3\sqrt { x}-\ ^3\sqrt { y} } \right) \ }^2$$  का एक मान है

359 0

  • 1
    $$1\over 5$$
    Correct
    Wrong
  • 2
    5
    Correct
    Wrong
  • 3
    $$1\over 25$$
    Correct
    Wrong
  • 4
    25
    Correct
    Wrong
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Answer : 4. "25"

Q:

यदि x2 + x = 5 तो $${(x+3)^3}+{1\over (x+3)^3}$$  का मान है 

358 0

  • 1
    140
    Correct
    Wrong
  • 2
    110
    Correct
    Wrong
  • 3
    130
    Correct
    Wrong
  • 4
    120
    Correct
    Wrong
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Answer : 2. "110 "

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:

यदि  $$4a-{4\over a}+3=0$$ तो $$ a^3-{1\over a^3}+3=?$$ का मान है

356 0

  • 1
    $$3\over 16$$
    Correct
    Wrong
  • 2
    $$7\over 16$$
    Correct
    Wrong
  • 3
    $$21\over 24$$
    Correct
    Wrong
  • 4
    $$21\over 16$$
    Correct
    Wrong
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Answer : 3. " $$21\over 24$$"

Q:

व्यंजक$${15(\sqrt { 10}+\sqrt { 5})\over \sqrt { 10}+\sqrt { 20}+\sqrt { 40}-\sqrt { 5}-\sqrt { 80}   }$$इसके बराबर है:

356 0

  • 1
    $$10(3+2 \sqrt { 5})$$
    Correct
    Wrong
  • 2
    $$5+(2 \sqrt { 2})$$
    Correct
    Wrong
  • 3
    $$5(3+2 \sqrt { 2})$$
    Correct
    Wrong
  • 4
    $$5-(2 \sqrt { 5})$$
    Correct
    Wrong
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Answer : 3. "$$5(3+2 \sqrt { 2})$$"

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