Aptitude Practice Question and Answer

Q:

यदि $${secA={5\over 4}}$$ है, तो $${{tanA}\over 1+tan^2A}-{sinA\over secA}$$ का मान क्या है?

763 0

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

Q:

यदि $$cosθ + cos^2θ= 1$$है, तो $$\sqrt {sin^4θ+cos^2θ} \ $$का मान क्या है?

629 0

  • 1
    $$\sqrt {2cosθ} \ $$
    Correct
    Wrong
  • 2
    $$\sqrt {2sinθ} \ $$
    Correct
    Wrong
  • 3
    2 cosθ
    Correct
    Wrong
  • 4
    2 sinθ
    Correct
    Wrong
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Answer : 1. "$$\sqrt {2cosθ} \ $$"

Q:

यदि 6x2+13x+7=0, के मूल α और β हैं, तब α2, β2 मूल वाला समीकरण क्या होगा?

566 0

  • 1
    36x2 − 87x + 49 = 0
    Correct
    Wrong
  • 2
    36x− 85x − 49 = 0
    Correct
    Wrong
  • 3
    36x− 85x + 49 = 0
    Correct
    Wrong
  • 4
    36x+ 87x − 49 = 0
    Correct
    Wrong
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Answer : 3. "36x− 85x + 49 = 0"

Q:

यदि $$ sinA= {4\over 5}$$है, तो $$sin^2A$$ का मान क्या है?

612 0

  • 1
    $$16\over 25$$
    Correct
    Wrong
  • 2
    $$26\over 25$$
    Correct
    Wrong
  • 3
    $$48\over 25$$
    Correct
    Wrong
  • 4
    $$36\over 25$$
    Correct
    Wrong
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Answer : 1. "$$16\over 25$$"

Q:

यदि दो समद्विबाहु त्रिभुजों के क्षेत्रफल X2 : Yके अनुपात में हैं, तो उनकी संगत ऊँचाइयों का अनुपात है:

683 0

  • 1

    X3 : Y3

    Correct
    Wrong
  • 2

    X : Y

    Correct
    Wrong
  • 3

    √X : √Y

    Correct
    Wrong
  • 4

    X2 : Y2

    Correct
    Wrong
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Answer : 2. "

X : Y

"

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