GATE Practice Question and Answer

Q: 74.99% of 1299 + 8.98% of 1899 = ? 1667 0

  • 1
    1378
    Correct
    Wrong
  • 2
    1301
    Correct
    Wrong
  • 3
    1212
    Correct
    Wrong
  • 4
    1197
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "1212"
Explanation :

Answer: C) 1212 Explanation: 74.99% of 1299 + 8.98% of 1899 = ?  ? = 75 x 1400100 + 9 x 1800100 ? = 1050 + 162? = 1212.

Q: Guess the Hiding Letter  ? 1666 0

  • 1
    D
    Correct
    Wrong
  • 2
    K
    Correct
    Wrong
  • 3
    L
    Correct
    Wrong
  • 4
    G
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 4. "G"
Explanation :

Answer: D) G Explanation: Starting from letter 'S' add 5 in the clock wise direction to get the next letter in English alphabets. Here S + 5 => 19 + 5 = 24 => X X + 5 = 24 + 5 = 3 => C Similarly,  B + 5 = G

Q: A hybrid of a donkey and a horse 1666 0

  • 1
    Panthera and Mule
    Correct
    Wrong
  • 2
    Mules and Hinnys
    Correct
    Wrong
  • 3
    Liger and Hinnys
    Correct
    Wrong
  • 4
    Wholphin and Mule
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 2. "Mules and Hinnys"
Explanation :

Answer: B) Mules and Hinnys Explanation: Donkeys and horses can be breed to make mules and hinnys. A hinny is a domestic equine hybrid that is the offspring of a male horse, a stallion, and a female donkey, a jenny. It is the reciprocal cross to the more common mule, which is the product of a male donkey, a jack, and a female horse, a mare.

Q: Nucleus of Hydrogen atom consists of 1665 0

  • 1
    2 protons only
    Correct
    Wrong
  • 2
    2 neutrons only
    Correct
    Wrong
  • 3
    1 proton only
    Correct
    Wrong
  • 4
    1 electron only
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "1 proton only"
Explanation :

Answer: C) 1 proton only Explanation: The nucleus of hydrogen consists of only a single proton. Its parts are a single negatively-charged electron that circles a single positively-charged nucleus of the hydrogen atom. The electron is bound to the nucleus by the Coulomb force.

Q: Which technology is used in compact disks? 1665 1

  • 1
    Laser
    Correct
    Wrong
  • 2
    Mechanical
    Correct
    Wrong
  • 3
    Electrical
    Correct
    Wrong
  • 4
    Electro magnetic
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "Laser"
Explanation :

Answer: A) Laser Explanation: Compact disc (CD) is a digital optical disc data storage format that was co-developed by Philips and Sony and released in 1982.  These are actually made to replace floppy disks that were used to store files and programs from the computer.   The format was originally developed to store and play only sound recordings but was later adapted for storage of data (CD-ROM).   These CD's uses Laser technology.

Q: Karthik could cover a distance of 200 km in 22 days while resting for 2 hrs. per day. In how many days (approx) he will cover a distance of 250 km while resting for 2 hrs. per day and moving with 2/3rd of the previous speed ? 1664 0

  • 1
    41.25 days
    Correct
    Wrong
  • 2
    37.5 days
    Correct
    Wrong
  • 3
    39.75 days
    Correct
    Wrong
  • 4
    40 days
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "41.25 days"
Explanation :

Answer: A) 41.25 days Explanation: Given Karthik can cover the distance of 200 kms resting 2 hrs per day in 22 days.   Let the initial speed be '1'   Hence, Time = 22(24hrs - 2)   Noe new speed = 2/3   Let the number of days he take be 'D'   Therefore, 2224-2x3200=D24-2x2250   D = 11 x 3 x 5/4 = 41.25 days. = 41 1/4 days.

Q: A jogger running at 9 kmph alongside a railway track is 240 metres ahead of the engine of a 120 metre long train running at 45 kmph in the same direction. In how much time will the train pass the jogger  ? 1664 0

  • 1
    10 sec
    Correct
    Wrong
  • 2
    48 sec
    Correct
    Wrong
  • 3
    36 sec
    Correct
    Wrong
  • 4
    56 sec
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "36 sec"
Explanation :

Answer: C) 36 sec Explanation: Given speed of jogger = 9 kmph Speed of train = 45 kmphAs they are in same direction, Relative speed = 45 - 9 = 36 kmph = 36x5/18 = 10 m/sDistance = 240 + 120 = 360 mts Time = distance/speed = 360/10 = 36 sec.

Q: Digitized information can be used by computers. 1664 0

  • 1
    TRUE
    Correct
    Wrong
  • 2
    FALSE Answer & Explanation Answer:
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "TRUE"
Explanation :

Answer: A) TRUE Explanation: TRUE. The computers and electronic devices use digitized information which is easily understood by them.   Digitization is the process of converting analog signals or information of any form into a digital format that can be understood by computer systems or electronic devices. The term is used when converting information, like text, images or voices, and sounds, into binary code.

      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