Aptitude Practice Question and Answer

Q:

2x + 4y – 8xy -1 =?

1407 0

  • 1
    ( 1 + 4y) (2x – 1 )
    Correct
    Wrong
  • 2
    (1 – 4y) (2x – 1 )
    Correct
    Wrong
  • 3
    ( 1 – 4y ) (2x +1)
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
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Answer : 2. "(1 – 4y) (2x – 1 )"

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Answer : 1. "5 : 6"

Q:

एक 15 मी.×10 मी. टैंक में 2 मी.×1.5 मी. वाले आयताकार पाइप से 20 किमी./घं. की दर से पानी बह रहा है। कितने समय में टैंक में पानी का स्तर 3 मी. उठ जायेगा?

1406 0

  • 1
    23 सेकेण्ड
    Correct
    Wrong
  • 2
    27 सेकेण्ड
    Correct
    Wrong
  • 3
    15 सेकेण्ड
    Correct
    Wrong
  • 4
    19 सेकेण्ड
    Correct
    Wrong
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Answer : 2. "27 सेकेण्ड "

Q:

यदि cosec θ=1.25  है तब $$ {4 \ tanθ-5 \ cosθ + 1\over secθ+ 4cotθ-1}=?$$ होगा?

1406 0

  • 1
    $$ {9\over 10}$$
    Correct
    Wrong
  • 2
    2
    Correct
    Wrong
  • 3
    $$ {10\over 11}$$
    Correct
    Wrong
  • 4
    $$ {1\over 2}$$
    Correct
    Wrong
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Answer : 3. "$$ {10\over 11}$$"

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