GATE Practice Question and Answer

Q: Which is the gas used for making vegetables and vanaspathi from vegetable oils? 5482 0

  • 1
    Hydrogen
    Correct
    Wrong
  • 2
    Nitrogen
    Correct
    Wrong
  • 3
    Argon
    Correct
    Wrong
  • 4
    Helium
    Correct
    Wrong
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Answer : 1. "Hydrogen"
Explanation :

Answer: A) Hydrogen Explanation: Hydrogen gas is used for making vegetables and vanaspathi from vegetable oils. As it is colourless, odourless, tasteless, flammable gaseous substance, it is added to oils to make them more solid or spreadable. The use of hydrogenation helps to prolong the shelf life of the food and maintain flavour stability.

Q: Convent : Cloister :: Eyrie : ? 5478 0

  • 1
    Show
    Correct
    Wrong
  • 2
    Open
    Correct
    Wrong
  • 3
    Hide
    Correct
    Wrong
  • 4
    Nest
    Correct
    Wrong
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Answer : 4. "Nest"
Explanation :

Answer: D) Nest Explanation: Here the first two words are synonyms. Similarly, Eyrie means a large nest. So, the synonym of Eyrie is nest.   Hence, Convent : Cloister :: Eyrie : Nest.

Q: 'P' walked 1 km towards south direction and turned  90oACW and walked 2 km. Then he turned his left and walked 1 km and then he turned his right and walked 2 km. After that he turned 90o ACW and walked 3 km. How far is he from the starting point ? 5461 0

  • 1
    5 km
    Correct
    Wrong
  • 2
    4 km
    Correct
    Wrong
  • 3
    2 km
    Correct
    Wrong
  • 4
    0 km
    Correct
    Wrong
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Answer : 1. "5 km"
Explanation :

Answer: A) 5 km Explanation:

Q: In a beach, Renu is running with her children and there she met Vishal and Laxmi. Vishal introduces Ravi to those children as " This person is the daughter of your mother's father's mother and is my sister." How is Vishal and Laxmi related to Renu ? 5435 0

  • 1
    Brother and Sister
    Correct
    Wrong
  • 2
    Uncle and Aunt
    Correct
    Wrong
  • 3
    Father and Mother
    Correct
    Wrong
  • 4
    Can't determine
    Correct
    Wrong
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Answer : 2. "Uncle and Aunt"
Explanation :

Answer: B) Uncle and Aunt Explanation: Daughter of your mother's father's mother => Maternal grandmother => Renu's Aunt. Hence, Laxmi is Renu's Aunt and Vishal is Renu's Uncle.

Q: Amar can do a piece of work in 10 days. He works at it for 4 days and then Arun finishes it in 9 days. In how many days can Amar and Arun together finish the work ? 5427 0

  • 1
    4 days
    Correct
    Wrong
  • 2
    8 days
    Correct
    Wrong
  • 3
    3 days
    Correct
    Wrong
  • 4
    6 days
    Correct
    Wrong
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Answer : 4. "6 days"
Explanation :

Answer: D) 6 days Explanation: 4/10 + 9/x = 1     => x = 15    Then both can do in  1/10 + 1/15 = 1/6     => 6 days

Q: Microprocessors as switching devices are for which generation computers? 5419 0

  • 1
    Fourth generation
    Correct
    Wrong
  • 2
    Third generation
    Correct
    Wrong
  • 3
    Second generation
    Correct
    Wrong
  • 4
    First generation
    Correct
    Wrong
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Answer : 1. "Fourth generation"
Explanation :

Answer: A) Fourth generation Explanation: Microprocessors are used in the computers of fourth generation computers. Personal microcomputers were possible due to the microprocessors.   Microprocessors further revolutionized the development of computers.   The first microprocessor called Intel 4004 was developed by American Intel Corporation in 1971.

Q: If today is Saturday, what will be the day 350 days from now  ? 5370 0

  • 1
    Saturday
    Correct
    Wrong
  • 2
    Friday
    Correct
    Wrong
  • 3
    Sunday
    Correct
    Wrong
  • 4
    Monday
    Correct
    Wrong
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Answer : 1. "Saturday"
Explanation :

Answer: A) Saturday Explanation: 350 days, 350/7 = 50, no odd days, so it will be a Saturday.

Q: Two trains are moving in the same direction at 72 kmph and 36 kmph. The faster train crosses a girl sitting at window seat in the slower train in 32 seconds. Find the length of the faster train ? 5347 0

  • 1
    170 m
    Correct
    Wrong
  • 2
    100 m
    Correct
    Wrong
  • 3
    270 m
    Correct
    Wrong
  • 4
    320 m
    Correct
    Wrong
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Answer : 4. "320 m"
Explanation :

Answer: D) 320 m Explanation: Relative speed = (72 - 36) x 5/18 = 2 x 5 = 10 mps.Distance covered in 32 sec = 32 x 10 = 320 m. The length of the faster train = 320 m.

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