GATE Practice Question and Answer

Q: Given that on 9th August 2016 is Saturday. What was the day on 9th August 1616 ? 3134 0

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

Answer: A) Saturday Explanation: We know that, After every 400 years, the same day occurs.Thus, if 9th August 2016 is Saturday, before 400 years i.e., on 9th August 1616 has to be Saturday.

Q: Which component of an IED creates an electrical charge? 3133 0

  • 1
    activator
    Correct
    Wrong
  • 2
    fuse
    Correct
    Wrong
  • 3
    explosive
    Correct
    Wrong
  • 4
    power source
    Correct
    Wrong
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Answer : 4. "power source"
Explanation :

Answer: D) power source Explanation: The power source such as a Battery of an IED creates an electrical charge.   What are IED's :: An Improvised Explosive Device (IED) is a bomb constructed and deployed in ways other than in conventional military action. It may be constructed of conventional military explosives, such as an artillery shell, attached to a detonating mechanism. IEDs are commonly used as roadside bombs.

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Answer : 2. "10"
Explanation :

Answer: B) 10 Explanation: Raj Tarun's age = 0 when he was born.Then, given his brother is 6 years old.Then his father is 6 + 32 = 38 when Raj Tarun was bornAnd his mother is 3 years yonger than his father => so his mother was 35 years old when Raj Tarun was bornand his sister is 25 year younger than his mother so Raj Tarun's sister was 10 years old when Raj Tarun was born.

Q: Five boxes of bananas sell for Rs. 30. how many boxes can you buy for Rs.9? 3125 0

  • 1
    2
    Correct
    Wrong
  • 2
    1.5
    Correct
    Wrong
  • 3
    1.25
    Correct
    Wrong
  • 4
    2.5
    Correct
    Wrong
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Answer : 2. "1.5"
Explanation :

Answer: B) 1.5 Explanation: Given Five boxes of bananas sell for Rs. 30. => 1 Box of Bananas for = 30/5 = Rs. 6   Then, for Rs. 9 => 9/6 = 3/2 = 1.5   Hence, for Rs. 9, 1.5 box of bananas can buy.

Q: Expansion cards are inserted into 3123 0

  • 1
    Peripheral Devices
    Correct
    Wrong
  • 2
    Pegs
    Correct
    Wrong
  • 3
    Slots
    Correct
    Wrong
  • 4
    The back of the computer
    Correct
    Wrong
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Answer : 3. "Slots"
Explanation :

Answer: C) Slots Explanation: In computing, the expansion card or board or accessory card is a printed circuit board that can be inserted into an electrical connector or expansion slot, on a computer motherboard, to add functionality to a computer system via the expansion bus.

Q: Rajan's present age is three times his daughter's and nine-thirteenth of his mother's present age. The sum of the present ages of all three of them is 125 years. What is the difference between the present ages of Rajan's daughter and Rajan's mather ? 3123 0

  • 1
    32 years
    Correct
    Wrong
  • 2
    48 years
    Correct
    Wrong
  • 3
    62 years
    Correct
    Wrong
  • 4
    50 years
    Correct
    Wrong
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Answer : 4. "50 years"
Explanation :

Answer: D) 50 years Explanation: Let Rajan's present age be 'x' years.=> Then his daughter's present age is = x/3 years.His mother's present age = 13x/9 yearsNow, according to the question,x + x/3 + 13x/9 = 125=> x = 125x9/25 = 45Therefore, required difference = 13x/9 - x/3 = 13x - 3x/9 = 10x/9=> 10 x 45/9 = 50 years.

Q: One paper is equally folded 35 times, then what is the new thickness of the paper ? 3118 0

  • 1
    T(2^50)
    Correct
    Wrong
  • 2
    50T
    Correct
    Wrong
  • 3
    2 x 50 T
    Correct
    Wrong
  • 4
    T/50
    Correct
    Wrong
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Answer : 1. "T(2^50)"
Explanation :

Answer: A) T(2^50) Explanation: Let initial thickness of the paper be 'T'after first fold it will be '2T' = 21Tafter second fold it will be '4T' = 22T after 50th fold it will be T x (250T)

Q: If a quarter kg of carrots costs 60 paise, how many paise will 200 gms cost ? 3114 0

  • 1
    78 paise
    Correct
    Wrong
  • 2
    48 paise
    Correct
    Wrong
  • 3
    54 paise
    Correct
    Wrong
  • 4
    62 paise
    Correct
    Wrong
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Answer : 2. "48 paise"
Explanation :

Answer: B) 48 paise Explanation: Quarter of Kg means 250 gm Less weight, less price (Direct Proportion) So, 250 : 200 :: 60 : x => x = 48 So 200 gm will cost 48 paise.

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