Aptitude Practice Question and Answer

Q:

उस रेखा का समीकरण ज्ञात कीजिये जो बिंदु (7, -5 )  से गुजरती है और रेखा (4x+5y=1) के लंबवत है।

732 0

  • 1
    4x-5y=33
    Correct
    Wrong
  • 2
    5x+4y=15
    Correct
    Wrong
  • 3
    5x-4y=55
    Correct
    Wrong
  • 4
    4x+5y=33
    Correct
    Wrong
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Answer : 3. "5x-4y=55"

Q:

यदि $$ a={{\sqrt{3}+\sqrt{2}}\over {\sqrt{3}-\sqrt{2}}}$$  और $$ b={{\sqrt{3}-\sqrt{2}}\over {\sqrt{3}+\sqrt{2}}}$$,  है तो $$ {a^2\over b}+{b^2\over a}=?$$

797 0

  • 1
    970
    Correct
    Wrong
  • 2
    960
    Correct
    Wrong
  • 3
    950
    Correct
    Wrong
  • 4
    940
    Correct
    Wrong
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Answer : 1. "970"

Q:

यदि नौ अंको की एक संख्या 785x3678y  , 72 से  विभाज्य है तो(7x- 5y)  का मान है:

5563 0

  • 1
    22
    Correct
    Wrong
  • 2
    20
    Correct
    Wrong
  • 3
    18
    Correct
    Wrong
  • 4
    16
    Correct
    Wrong
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Answer : 1. "22"

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  • Workspace

Answer : 1. "27,72,000"

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Answer : 3. "3 घंटे42 मिनट"

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Answer : 4. "360 cm2"

Q:

यदि x, 20 और 5 का मध्यानुपातिक है और y यदि 16 और 64 का तीसरा अनुपातिक है ,तो x/y बराबर है:

894 0

  • 1
    25.6
    Correct
    Wrong
  • 2
    30.4
    Correct
    Wrong
  • 3
    25.4
    Correct
    Wrong
  • 4
    25.8
    Correct
    Wrong
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  • Workspace

Answer : 1. "25.6"

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