GATE Practice Question and Answer

  • Show AnswerHide Answer
  • Workspace

Answer : 2. "2"
Explanation :

Answer: B) 2 Explanation: Given number is 14278359As given 1st and 5th digits, 2nd & 6th, 3rd & 7th and 4th & 8th digits are to to be interchanged.Therfore, the rearranged number is 83591427Then, the second digit from the right end is 2.

Q: Which must be true for metamorphism to occur? 2410 0

  • 1
    The parent rock must be in solid form.
    Correct
    Wrong
  • 2
    Tons of pressure must be applied.
    Correct
    Wrong
  • 3
    The process must take place underground.
    Correct
    Wrong
  • 4
    All the above
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 4. "All the above"
Explanation :

Answer: D) All the above Explanation: Metamorphism is the change of minerals or geologic texture in pre-existing rocks, without the protolith melting into liquid magma. The change occurs primarily due to heat, pressure, and the introduction of chemically active fluids.   The parent rock must be in solid form. Tons of pressure must be applied for metamorphism to happen. The process must take place underground.

Q: Did mercury cure syphilis? 2407 0

  • Show AnswerHide Answer
  • Workspace

Answer :
Explanation :

Mercury was the remedy of choice for syphilis in Protestant Europe. Until the early 20th century, the primary treatment for syphilis was mercury, in the form of calomel, ointments, steam baths, pills, and other concoctions. Mercury was already being used in Western Europe to treat skin diseases.

  • Show AnswerHide Answer
  • Workspace

Answer : 3. "109"
Explanation :

Answer: C) 109 Explanation: From given data, R : M = 5 : 7 M : A = 5 : 7 R : M : A = 25 : 35 : 49 25 + 35 + 49 = 109

Q: A fair six-sided die is rolled twice. What is the probability of getting 4 on the first roll and not getting 6 on the second roll ? 2406 0

  • 1
    1/36
    Correct
    Wrong
  • 2
    5/36
    Correct
    Wrong
  • 3
    1/12
    Correct
    Wrong
  • 4
    1/9
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 2. "5/36"
Explanation :

Answer: B) 5/36 Explanation: The two events mentioned are independent. The first roll of the die is independent of the second roll. Therefore the probabilities can be directly multiplied. P(getting first 4) = 1/6 P(no second 6) = 5/6 Therefore P(getting first 4 and no second 6) = 1/6 x 5/6 = 5/36

Q: What could cause a Fixed Disk Error? 2406 0

  • 1
    Slow Processor Speed
    Correct
    Wrong
  • 2
    RAM Space
    Correct
    Wrong
  • 3
    Incorrect CMOS Settings
    Correct
    Wrong
  • 4
    None
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "Incorrect CMOS Settings"
Explanation :

Answer: C) Incorrect CMOS Settings Explanation:

Q: If 'A$B' means ' A is father of B ', 'A#B' means ' A is daughter of B ', 'A@B' means ' A is sister of B ' then  how is K related to Lin "H@K$L#M" ? 2406 0

  • 1
    Husband
    Correct
    Wrong
  • 2
    Uncle
    Correct
    Wrong
  • 3
    Father
    Correct
    Wrong
  • 4
    Cannot be determined
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "Husband"
Explanation :

Answer: A) Husband Explanation:

Q: Two trains are running with speeds 30 kmph and 58 kmph respectively in the same direction. A man in the slower train passes the faster train in 18 seconds. Find the length of the faster train? 2403 0

  • 1
    105 mts
    Correct
    Wrong
  • 2
    115 mts
    Correct
    Wrong
  • 3
    120 mts
    Correct
    Wrong
  • 4
    140 mts
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 4. "140 mts"
Explanation :

Answer: D) 140 mts Explanation: Speeds of two trains = 30 kmph and 58 kmph => Relative speed = 58 - 30 = 28 kmph = 28 x 5/18 m/s = 70/9 m/s Given a man takes time to cross length of faster train = 18 sec   Now, required Length of faster train = speed x time = 70/9  x  18 = 140 mts.

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully