Algebra Question with answer Practice Question and Answer

Q:

यदि a + b + c = 6, a2 + b+ c= 14 और a3 + b3 + c= 36, है, तो abc का मान है

370 0

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

Q:

यदि  $${{p^2\over q^2}+{q^2\over p^2}}=1$$, तो (p6 + q6 ) का मान है

370 0

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

Q:

यदि m = - 4, n = - 2, तो m– 3m+ 3m + 3n + 3n2 + n3 का मान है

368 0

  • 1
    – 126
    Correct
    Wrong
  • 2
    124
    Correct
    Wrong
  • 3
    – 124
    Correct
    Wrong
  • 4
    126
    Correct
    Wrong
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Answer : 1. "– 126 "

Q:

यदि p, q, r सभी वास्तविक संख्याएँ हैं, तो (p – q)3 + (q – r)3 + (r – p)3 बराबर है

367 0

  • 1
    (p – q) (q – r) (r – p)
    Correct
    Wrong
  • 2
    3(p – q) (q – r) (r – p)
    Correct
    Wrong
  • 3
    0
    Correct
    Wrong
  • 4
    1
    Correct
    Wrong
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Answer : 2. "3(p – q) (q – r) (r – p) "

Q:

यदि  (10 a3+4b3):(11a3-15b3)=7:5, तो (3a+5b):(9a-2b)=?

366 0

  • 1
    10:13
    Correct
    Wrong
  • 2
    8:7
    Correct
    Wrong
  • 3
    5:4
    Correct
    Wrong
  • 4
    3:2
    Correct
    Wrong
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Answer : 1. "10:13"

Q:

यदि 2x2 – 7x + 5 =0, तो $$x^2+{25\over 4x^2}$$ का मान क्या है

365 0

  • 1
    $$5{1\over 2}$$
    Correct
    Wrong
  • 2
    $$7{1\over 4}$$
    Correct
    Wrong
  • 3
    $$9{1\over 2}$$
    Correct
    Wrong
  • 4
    $$9{3\over 4}$$
    Correct
    Wrong
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Answer : 2. "$$7{1\over 4}$$"

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 "

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