Aptitude Practice Question and Answer

Q:

यदि a=34, b=c=33 है, तो a3+b3+c3-3abc का मान ज्ञात करे ।

1379 0

  • 1
    50
    Correct
    Wrong
  • 2
    100
    Correct
    Wrong
  • 3
    0
    Correct
    Wrong
  • 4
    111
    Correct
    Wrong
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Answer : 2. "100"

Q:

यदि a+b = 1 और a3+b3+3ab=k है तो k का मान ज्ञात करें 

1039 0

  • 1
    5
    Correct
    Wrong
  • 2
    7
    Correct
    Wrong
  • 3
    1
    Correct
    Wrong
  • 4
    3
    Correct
    Wrong
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Answer : 3. "1"

Q:

यदि $$64^{x+1}={64\over 4^x}$$ है, तो x का मान ज्ञात करे 

731 0

  • 1
    $$1\over 2$$
    Correct
    Wrong
  • 2
    2
    Correct
    Wrong
  • 3
    1
    Correct
    Wrong
  • 4
    0
    Correct
    Wrong
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Answer : 4. "0"

Q:

यदि a, b परिमेय संख्याऐ है और (a-1)√2+3=b√2+a है तो (a+b) का मान क्या होगा ?

743 0

  • 1
    -3
    Correct
    Wrong
  • 2
    5
    Correct
    Wrong
  • 3
    -5
    Correct
    Wrong
  • 4
    3
    Correct
    Wrong
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Answer : 2. "5"

Q:

यदि a3b = abc = 180, है और a, b, c धनात्मक पूर्णांक है तो c का मान ज्ञात करे।

1158 0

  • 1
    4
    Correct
    Wrong
  • 2
    25
    Correct
    Wrong
  • 3
    110
    Correct
    Wrong
  • 4
    1
    Correct
    Wrong
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Answer : 4. "1"

Q:

यदि दो वास्तविक अचरो a और b की लिए व्यंजक ax3+3x2-8x+b, (x+2) और (x-2) से पूर्णत: विभाजित है, तो

1234 0

  • 1
    a = 2, b = -12
    Correct
    Wrong
  • 2
    a = -2, b = 12
    Correct
    Wrong
  • 3
    a = 2, b = 12
    Correct
    Wrong
  • 4
    a = 12, b = 12
    Correct
    Wrong
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Answer : 1. "a = 2, b = -12"

Q:

यदि x = b+c -2a, y=c+a-2b, z=a+b-2c है, तो x2+y2-z2+2xy का मान क्या होगा ?

958 0

  • 1
    a-b+c
    Correct
    Wrong
  • 2
    a+b-c
    Correct
    Wrong
  • 3
    0
    Correct
    Wrong
  • 4
    a+b+c
    Correct
    Wrong
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Answer : 3. "0"

Q:

यदि x2+y2-4x-4y+8=0 है तो x-y का मान क्या होगा ?

878 0

  • 1
    0
    Correct
    Wrong
  • 2
    8
    Correct
    Wrong
  • 3
    4
    Correct
    Wrong
  • 4
    -4
    Correct
    Wrong
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Answer : 1. "0"

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