GATE Practice Question and Answer

Q: What it goes up but never comes down? 1559 0

  • 1
    Umbrella
    Correct
    Wrong
  • 2
    Hot air balloon
    Correct
    Wrong
  • 3
    Age
    Correct
    Wrong
  • 4
    Rocket
    Correct
    Wrong
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Answer : 3. "Age"
Explanation :

Answer: C) Age Explanation: Yeah, its your AGE which always goes up but sadly never comes down.

Q: A duster is of dimension 5x5x7 all in cms,  is sinked into a cylindrical vessel of radius 5 cm and height 10 cm. After insertion the level of the water is inccresed by 2.14 cm. Then by what percentage the part of the duster is above the layer ? 1558 0

  • 1
    96 %
    Correct
    Wrong
  • 2
    4 %
    Correct
    Wrong
  • 3
    97 %
    Correct
    Wrong
  • 4
    3 %
    Correct
    Wrong
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Answer : 2. "4 %"
Explanation :

Answer: B) 4 % Explanation: Imension of the duster is assumed as 5x5x7 cm3 Volume of the duster below the water layer= volume of water increased= πxrxrxh = 3.14×52×2.14 ≈ 168 cm3 Total volume of the duster = 5×5×7 = 175 cm3 Percentage of the duster part below the layer = 168×100/175 = 96% Percentage of the duster part above the layer = 4%

Q: Find the Missing Numbers in the given Number Puzzle ? 1557 0

  • 1
    169 & 81
    Correct
    Wrong
  • 2
    67 & 121
    Correct
    Wrong
  • 3
    64 & 115
    Correct
    Wrong
  • 4
    70 & 110
    Correct
    Wrong
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Answer : 1. "169 & 81"
Explanation :

Answer: A) 169 & 81 Explanation: Observe that in each column, square of sum of digits in the first row = Respective second row elements.   In the same way, square of sum of digits in the second row = Respective third row elements.   => 6+42=102=100   => 4+92=132=169   => 8+12=92=81.

Q: A cowboy arrives in town on Friday. He stays for 3 days and then leaves on Friday. How is that possible? 1557 0

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Answer :
Explanation :

You will get the answer in the riddle itself, if you read the riddle carefully. The riddle says "A cowboy arrives in town on Friday." So Friday is the name of the horse on which he comes. Hence, the only possibility is he arrives on the horse friday on Tuesday, stays for 3 days and leaves on the same horse on Friday.

Q: Why do you want to work in the service line to which you have applied ? 1554 0

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Answer :
Explanation :

The interviewer is looking for similar things whether asking about company or position. The interviewer wants to : - Learn about your career goals and how this position fits into your plan. - Make sure that you are sincerely interested in the job and will be motivated to perform if hired. - Find out what you know about the company, industry, position. - Understand your priorities and preferences.

Q: What lives in the winter dies in the summer? 1553 0

  • 1
    Plants
    Correct
    Wrong
  • 2
    Animals
    Correct
    Wrong
  • 3
    Icycle
    Correct
    Wrong
  • 4
    None of the above
    Correct
    Wrong
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Answer : 3. "Icycle"
Explanation :

Answer: C) Icycle Explanation: An icycle, a hanging spike of ice formed by the freezing of dripping water forms due to cool in winter and dies in summer due to hot.

Q: When should you stop at green and go at red? 1553 0

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Answer :
Explanation :

While eating a watermelon, we all go along the red and stops at green.

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Answer : 4. "3"
Explanation :

Answer: D) 3 Explanation: Given teacher drinks 9 ltrLet number of boys be 'A'.Let number of girls be 'B'.Boy drinks 7 ltr and girl drinks 4 ltrAfter class total water consumed = 42 ltrThen,9 + 7A + 4B = 42=> 7A + 4B = 33By trial and error method,The only integers which satisfy the equation is A = 3 and B = 3Therefore, number of girls in the class = 3.

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