Aptitude Practice Question and Answer

Q:

$$ ({Sinθ\over{1+cosθ}}+{1+cosθ\over sinθ})({1\over (tanθ+cotθ)})$$ को सरल कीजिए।

679 0

  • 1
    $$ {cos{\ θ}}$$
    Correct
    Wrong
  • 2
    $$ {2sin{\ θ}}$$
    Correct
    Wrong
  • 3
    $$ {sin{\ θ}}$$
    Correct
    Wrong
  • 4
    $$ {2cos{\ θ}}$$
    Correct
    Wrong
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Answer : 4. "$$ {2cos{\ θ}}$$"

Q:

यदि sin2a = cos3a  तब cot6 a – cot2a का मान कितना होगा?

677 0

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

Q:

$$ {0.55 × 4.5\over 0.81}$$ का मान क्या है?

677 0

  • 1
    $$ {55\over 18}$$
    Correct
    Wrong
  • 2
    3.05
    Correct
    Wrong
  • 3
    $$ {55\over 81}$$
    Correct
    Wrong
  • 4
    3.555
    Correct
    Wrong
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Answer : 1. "$$ {55\over 18}$$"

Q:

एक त्रिभुज जिसकी भुजाएं क्रमश : 6 सेमी , 8 सेमी तथा 10 सेमी .है , के परिवृत्त का क्षेत्रफल ( सेमी . में ) क्या है ? 

676 0

  • 1
    $$ {275\over 7}$$
    Correct
    Wrong
  • 2
    $$ {2200\over 7}$$
    Correct
    Wrong
  • 3
    $$ {550\over 7}$$
    Correct
    Wrong
  • 4
    $$ {1100\over 7}$$
    Correct
    Wrong
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Answer : 3. "$$ {550\over 7}$$"

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