GATE Practice Question and Answer

Q: If [P @ Q] means [P is wife of Q], [P+Q] means [P is father of Q] and [P - Q] means [P is sister of Q] then in [G+ H - R @ D], how is G related to D ? 2281 0

  • 1
    Son-in-law
    Correct
    Wrong
  • 2
    Grand father
    Correct
    Wrong
  • 3
    Father-in-law
    Correct
    Wrong
  • 4
    Brother
    Correct
    Wrong
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Answer : 3. "Father-in-law"
Explanation :

Answer: C) Father-in-law Explanation: "G is father in law of D"G+H means G is father of HH is either son or daughter of GH-R means H is sister of RR@D means R is wife of Dso H and R are sistersand daughters of Gso husband of R i.e. D is son in law of Gor G is father in law of D

Q: The shorter i am, the bigger i am. What am I? 2281 0

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Answer :
Explanation :

A Temper.

Q: Simplify 39.96% of 649.85 ÷13.07 = 45.14 - ? 2281 0

  • 1
    25
    Correct
    Wrong
  • 2
    26
    Correct
    Wrong
  • 3
    27
    Correct
    Wrong
  • 4
    28
    Correct
    Wrong
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Answer : 1. "25"
Explanation :

Answer: A) 25 Explanation: This can be easily simplified by Approximation process Given 39.96% of 649.85 ÷13.07 = 45.14 - ? can be written as  40% of 650 ÷13 = 45 - ?   40 x 65010013 = 45 - ?? = 45 - 20? = 25.

Q: Sneha’s weight is 140% of Veena’s weight. Rina’s weight is 90% of Sana’s weight. Sana weighs twice as much as Veena. If Sneha’s weight is x% of Rina’s weight, then x is equal to: 2279 0

  • 1
    596/9
    Correct
    Wrong
  • 2
    605/9
    Correct
    Wrong
  • 3
    645/9
    Correct
    Wrong
  • 4
    700/9
    Correct
    Wrong
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Answer : 4. "700/9"
Explanation :

Answer: D) 700/9 Explanation: Let Veena's weight = 1 kg Sana's weight = 2 kg Sneha's weight = 1.4 kg Rina's weight = 1.8 kg Now,according to the given data in the question, 1.8x100 = 1.4   x = 1.4 × 1001.8 = 7009 = 77 79.

Q: Peacock : India :: Bear : ? 2279 0

  • 1
    England
    Correct
    Wrong
  • 2
    America
    Correct
    Wrong
  • 3
    Russia
    Correct
    Wrong
  • 4
    Africa
    Correct
    Wrong
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Answer : 3. "Russia"
Explanation :

Answer: C) Russia Explanation: Here the relation between the given words is that the first word is the National animal of the second word. As Peacock is the national bird of India, similarly Bear is the national animal of Russia.   Hence, Peacock : India :: Bear : Russia.

Q: Twenty times a positive integer is less than its square by 96. What is the integer ? 2277 0

  • 1
    42
    Correct
    Wrong
  • 2
    36
    Correct
    Wrong
  • 3
    48
    Correct
    Wrong
  • 4
    24
    Correct
    Wrong
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Answer : 4. "24"
Explanation :

Answer: D) 24 Explanation: Let the integer be x. Then, x2 - 20x = 96 (x + 4)(x - 24) = 0 x = 24

Q: Carbon monoxide is a common atmospheric pollutant. 2277 0

  • 1
    TRUE
    Correct
    Wrong
  • 2
    FALSE Answer & Explanation Answer:
    Correct
    Wrong
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Answer : 1. "TRUE"
Explanation :

Answer: A) TRUE Explanation: Carbon monoxide is one of the major pollutant present in the world. The six most common pollutants include ozone, carbon monoxide, sulfur dioxide, lead, nitrogen oxides, and particulate matter.   Carbon monoxide is a common atmospheric pollutant. It is produced largely in combustion processes like in industries and in vehicles. It is a gas that cannot be seen nor smelled.

Q: The ratio of present ages of Hema and Chinnu is 13:17. Four years ago the ratio of their ages was 11:15. What will be the ratio of their ages six years hence ? 2277 0

  • 1
    3 : 7
    Correct
    Wrong
  • 2
    7 : 9
    Correct
    Wrong
  • 3
    4 : 5
    Correct
    Wrong
  • 4
    1 : 3
    Correct
    Wrong
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Answer : 3. "4 : 5"
Explanation :

Answer: C) 4 : 5 Explanation: Let their present ages be 13x and 17x.Then, 13x-4/17x-4 = 11/15. Solving this, we get x = 2.Required ratio = 13x2 + 6/17x2 + 6 = 32/40 = 4/5.

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