Aptitude Practice Question and Answer

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Answer : 4. "55.5"

Q:

यदि $$ {Acos^{2}θ+Bsin^{2}θ}={sin^{2}θ(sec^{2}θ+1)\over{sec^{2}θ-1}}$$  है तो cotθ=?

734 0

  • 1
    $${\sqrt{B-2\over2-A}}$$
    Correct
    Wrong
  • 2
    $${\sqrt{B-1\over2-A}}$$
    Correct
    Wrong
  • 3
    $${\sqrt{B-1\over A-2}}$$
    Correct
    Wrong
  • 4
    $${\sqrt{2-B\over 2-A}}$$
    Correct
    Wrong
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Answer : 2. "$${\sqrt{B-1\over2-A}}$$"

Q:

यदि $$ {tan\ θ={a\over b}}$$  है तो $$ {a\sinθ+b\cosθ\over{a\sinθ-b\cosθ}}$$   का मान होगा—

734 0

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

Q:

एक वृत्त और एक आयत में एक ही परिधि होती है। आयत के किनारे 18 सेमी और 26 सेमी हैं। सर्कल का क्षेत्र है:

734 1

  • 1
    125 cm2
    Correct
    Wrong
  • 2
    230 cm2
    Correct
    Wrong
  • 3
    550 cm2
    Correct
    Wrong
  • 4
    616 cm2
    Correct
    Wrong
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Answer : 4. "616 cm2"

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