GATE Practice Question and Answer

Q: what is the missing number in the sequence given below? 12  9  13.50  30.37  ?  341.71 7377 0

  • 1
    87.63
    Correct
    Wrong
  • 2
    91.12
    Correct
    Wrong
  • 3
    93.41
    Correct
    Wrong
  • 4
    97.94
    Correct
    Wrong
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Answer : 2. "91.12"
Explanation :

Answer: B) 91.12 Explanation: Given number series is 12  9  13.5  30.3  ?  341.7 Here the pattern followed by the series is 12  12 x 0.75 = 9 9 x 1.5 = 13.5 13.5 x 2.25 = 30.3 30.37 x 3 = 91.12 91.12 x 3.75 = 341.71   Hence, the missing number in the sequence is 91.12.

Q: Magnetic disks are the most popular medium for 7348 0

  • 1
    Sequential access
    Correct
    Wrong
  • 2
    Direct access
    Correct
    Wrong
  • 3
    Both A & B
    Correct
    Wrong
  • 4
    None of the above
    Correct
    Wrong
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Answer : 3. "Both A & B"
Explanation :

Answer: C) Both A & B Explanation: A magnetic disk is a storage device that uses a magnetization process to write, rewrite and access data. It is covered with a magnetic coating and stores data in the form of tracks, spots, and sectors. Hard disks, zip disks, and floppy disks are common examples of magnetic disks.   Hence, Magnetic disks are the most popular medium for both Direct access and Sequential access.

Q: Yard is to Inch as Quart is to 7312 0

  • 1
    Milk
    Correct
    Wrong
  • 2
    Gallon
    Correct
    Wrong
  • 3
    Liquid
    Correct
    Wrong
  • 4
    Ounce
    Correct
    Wrong
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Answer : 4. "Ounce"
Explanation :

Answer: D) Ounce Explanation: Yard is to Inch as Quart is to Ounce. Because Yard and Inch are units of measurement Where Yard is larger than Inch i.e, 1 Yard = 36 Inches. So, here Quart and Ounce are also units of measurement where Quart is larger than Ounce i.e, 1 Quart = 32 Ounces. Gallon is not correct because Gallon is larger than Quart and Milk and Liquid are not units of measurement. So, Ounce is correct.

Q: Which of the following animals was not native to India? 7253 0

  • 1
    Rhinoceros
    Correct
    Wrong
  • 2
    Tiger
    Correct
    Wrong
  • 3
    Horse
    Correct
    Wrong
  • 4
    Elephant
    Correct
    Wrong
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Answer : 3. "Horse"
Explanation :

Answer: C) Horse Explanation:

Q: Complete the number series given below ? 13        19       37      ?         141        243 7188 0

  • 1
    58
    Correct
    Wrong
  • 2
    67
    Correct
    Wrong
  • 3
    75
    Correct
    Wrong
  • 4
    96
    Correct
    Wrong
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Answer : 3. "75"
Explanation :

Answer: C) 75 Explanation: The given series follows the pattern that So the missing number is  37 + 38 = 75 75 + 66 = 141 ....

Q: The Hardest Logic Puzzle Ever? If a giraffe has two eyes, a monkey has two eyes, and an elephant has two eyes, how many eyes do we have? 7146 0

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

Answer: B) 4 Explanation: 4 eyes. Here in the question, it is asked how many Eyes We have so that means here the person who has asked the question is also including the person who is suppose to give the answer. In a clear understanding, the Conversation is happening between 2 people 1st who asked the question and 2nd to whom it has been asked, which means there are 4 eyes.

Q: Which mirror is used as rear view mirror in vehicles? 7098 0

  • 1
    Concave
    Correct
    Wrong
  • 2
    Plane
    Correct
    Wrong
  • 3
    Convex
    Correct
    Wrong
  • 4
    Any of the above
    Correct
    Wrong
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Answer : 3. "Convex"
Explanation :

Answer: C) Convex Explanation: Convex mirror is used as rear view mirror in vehicles. Because the image is smaller, more image can fit onto the mirror, so a convex mirror provides for a larger field of view than a plane mirror. This is why they are useful.

Q: In a certain code language 'how many goals scored' is written as '5397'; 'many more matches' is written as '982'; and 'he scored five' is written as '163'. How is 'goals' written in that code language ? 7084 0

  • 1
    5
    Correct
    Wrong
  • 2
    7
    Correct
    Wrong
  • 3
    3
    Correct
    Wrong
  • 4
    Data is not sufficient
    Correct
    Wrong
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Answer : 4. "Data is not sufficient"
Explanation :

Answer: D) Data is not sufficient Explanation: From the given data,how many goals scored = 5397....(1)many more matches = 982.....(2)he scored five = 163.....(3)from (1)&(2), many = 9 ....(4)from (1)&(3), scored = 3 ....(5)Using (4)&(5)in(1), we get goals = 5 or 7.

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