Aptitude Practice Question and Answer

Q:

यदि $$ {\sqrt{1+{473\over{256}}}=1+{x\over 16}}$$  है तो x बराबर है—

1470 0

  • 1
    11
    Correct
    Wrong
  • 2
    12
    Correct
    Wrong
  • 3
    13
    Correct
    Wrong
  • 4
    14
    Correct
    Wrong
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Answer : 1. "11"

Q:

If $$ {\sqrt{4^{n}}=1024}$$, then the value of n is:

1699 0

  • 1
    5
    Correct
    Wrong
  • 2
    8
    Correct
    Wrong
  • 3
    10
    Correct
    Wrong
  • 4
    12
    Correct
    Wrong
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Answer : 3. "10"

Q:

If $$ {x+{9\over x}=6}$$  then find the value of $$ {x^{2}+{1\over x^{3}}}$$

1152 0

  • 1
    $$ {12{1\over 27}}$$
    Correct
    Wrong
  • 2
    $$ {9{1\over 27}}$$
    Correct
    Wrong
  • 3
    $$ {8{1\over 27}}$$
    Correct
    Wrong
  • 4
    $$ {10{1\over 27}}$$
    Correct
    Wrong
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Answer : 2. "$$ {9{1\over 27}}$$"

Q:

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

1178 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:

Sin (45 + θ) – Cos (45 – θ) का मान है—

1131 1

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

Q:

60 किमी/घंटे की चाल से एक निश्चित दूरी तय करने में, एक ट्रेन 15 घंटे लेती है. यदि वह समान दूरी 12 घंटे में तय करती है, तो इसकी चाल कितनी होगी?

1096 0

  • 1
    65 किमी/घंटा
    Correct
    Wrong
  • 2
    70 किमी/घंटा
    Correct
    Wrong
  • 3
    75 किमी/घंटा
    Correct
    Wrong
  • 4
    80 किमी/घंटा
    Correct
    Wrong
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Answer : 3. "75 किमी/घंटा"

Q:

80 किमी/घंटे की चाल से शताब्दी एक्सप्रेस कोलकाता से रांची 7 घंटे में पहुँचती है. तो कोलकाता और रांची के बीच की दूरी है:

1249 1

  • 1
    560 किमी
    Correct
    Wrong
  • 2
    506 किमी
    Correct
    Wrong
  • 3
    560 किमी
    Correct
    Wrong
  • 4
    650 किमी
    Correct
    Wrong
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Answer : 1. "560 किमी "

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