Algebra Question with answer Practice Question and Answer

Q:

यदि 0.13 x p2 = 13 है, तो p किसके बराबर है ?

1823 0

  • 1
    10
    Correct
    Wrong
  • 2
    0.01
    Correct
    Wrong
  • 3
    0.1
    Correct
    Wrong
  • 4
    100
    Correct
    Wrong
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Answer : 1. "10 "

Q:

यदि pq+qr+rp= है तो $$ {p^{2}\over {p^{2}-qr}}+{q^{2}\over {q^{2}-rp}}+{r^{2}\over {r^{2}-pq}}$$ का मान होगा—

1805 0

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

Q:

यदि a-b=1 और a3-b3=61 तो ab का मान क्या होगा ?

1704 0

  • 1
    30
    Correct
    Wrong
  • 2
    60
    Correct
    Wrong
  • 3
    -20
    Correct
    Wrong
  • 4
    20
    Correct
    Wrong
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Answer : 4. "20"

Q:

यदि x+y+z=9 एवं x2+y2+z2=31 है, तो x3+y3+z3-3xyz का मान क्या होगा ?

1668 0

  • 1
    54
    Correct
    Wrong
  • 2
    9
    Correct
    Wrong
  • 3
    27
    Correct
    Wrong
  • 4
    3
    Correct
    Wrong
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Answer : 1. "54"

Q:

यदि x+y=14: x3+y3=1064,  है तो (x-y)2 का मान होगा।

1546 0

  • 1
    81
    Correct
    Wrong
  • 2
    36
    Correct
    Wrong
  • 3
    100
    Correct
    Wrong
  • 4
    64
    Correct
    Wrong
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Answer : 2. "36"

Q:

यदि a+b+c=15 और a2+b2+c2=83 है, तो a3+b3+c3-3abc का मान ज्ञात करें 

1473 0

  • 1
    190
    Correct
    Wrong
  • 2
    210
    Correct
    Wrong
  • 3
    200
    Correct
    Wrong
  • 4
    180
    Correct
    Wrong
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Answer : 4. "180"

Q:

यदि $${144\over0.144}={14.4\over x}$$ है, तो x का मान ज्ञात करे

1459 0

  • 1
    144
    Correct
    Wrong
  • 2
    14.4
    Correct
    Wrong
  • 3
    1.44
    Correct
    Wrong
  • 4
    0.0144
    Correct
    Wrong
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Answer : 4. "0.0144"

Q:

यदि $$ \ {xy\over x+y}= a, $$ $${xz\over x+z}=b $$ and $$ {yz\over y+z} =c $$ है, जहाँ a, b, c सभी अशून्य संख्याऐ है, तो x का मान किसके बराबर है ?

1445 0

  • 1
    $$ 2abc\over {ab+bc-ac} $$
    Correct
    Wrong
  • 2
    $$ 2abc\over {ab+ac-ac} $$
    Correct
    Wrong
  • 3
    $$ 2abc\over {ac+bc-ab} $$
    Correct
    Wrong
  • 4
    $$ 2abc\over {ac+bc-ac} $$
    Correct
    Wrong
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Answer : 3. "$$ 2abc\over {ac+bc-ab} $$"

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