Aptitude Practice Question and Answer

Q:

यदि 9x2 + y2 = 37 और xy = 2, x, y>0, तो (27x3+ y3) का मान है:

388 0

  • 1
    301
    Correct
    Wrong
  • 2
    217
    Correct
    Wrong
  • 3
    207
    Correct
    Wrong
  • 4
    259
    Correct
    Wrong
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Answer : 2. "217"

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Answer : 4. "103°"

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Answer : 1. "₹350"

Q:

यदि $${secθ={a\over b},b≠0,}$$ तो  

 $${{1-tan^2θ}\over 2-sin^2θ}=?$$  

361 0

  • 1
    $${b^2(2b^2-a^2)}\over {a^2(a^2+b^2)}$$
    Correct
    Wrong
  • 2
    $${a^2(2b^2-a^2)}\over {b^2(a^2+b^2)}$$
    Correct
    Wrong
  • 3
    $${a^2(2b^2+a^2)}\over {b^2(a^2+b^2)}$$
    Correct
    Wrong
  • 4
    $${a^2(2b^2+a^2)}\over {b^2(a^2-b^2)}$$
    Correct
    Wrong
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Answer : 2. "$${a^2(2b^2-a^2)}\over {b^2(a^2+b^2)}$$"

Q:

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

375 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:

$$\left({1\over cosecθ}-{1\over sinθ} \right)+{1\over {cosecθ-cotθ}} -{1\over secθ+tanθ} =?$$

428 0

  • 1
    sinθcosθ
    Correct
    Wrong
  • 2
    sinθtanθ
    Correct
    Wrong
  • 3
    secθcosecθ
    Correct
    Wrong
  • 4
    cosecθcotθ
    Correct
    Wrong
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Answer : 3. "secθcosecθ"

Q:

एक घनाकार टैंक के तीन आसन्न सतहों का क्षेत्रफल 3 m2, 12 m2 और 16 mहै। टैंक की क्षमता, लीटर में है:

378 0

  • 1
    36000
    Correct
    Wrong
  • 2
    72000
    Correct
    Wrong
  • 3
    24000
    Correct
    Wrong
  • 4
    48000
    Correct
    Wrong
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Answer : 3. "24000"

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