GATE Practice Question and Answer
8Q: What it goes up but never comes down? 1559 05b5cc6b4e4d2b4197774d4fc
5b5cc6b4e4d2b4197774d4fc- 1Umbrellafalse
- 2Hot air balloonfalse
- 3Agetrue
- 4Rocketfalse
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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 05b5cc705e4d2b4197774f216
5b5cc705e4d2b4197774f216- 196 %false
- 24 %true
- 397 %false
- 43 %false
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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 05b5cc6c9e4d2b4197774df74
5b5cc6c9e4d2b4197774df74- 1169 & 81true
- 267 & 121false
- 364 & 115false
- 470 & 110false
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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 05b5cc694e4d2b4197774c4c0
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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 05b5cc767e4d2b4197774fdeb
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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 05b5cc672e4d2b4197774c077
5b5cc672e4d2b4197774c077- 1Plantsfalse
- 2Animalsfalse
- 3Icycletrue
- 4None of the abovefalse
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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 05b5cc672e4d2b4197774c07c
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Answer :
Explanation :
While eating a watermelon, we all go along the red and stops at green.
Q: A class consists of both boys and girls along with a teacher. After a class, the teacher drinks 9 litres of water, a boy drinks 7 litres of water and a girl drinks 4 litres of water. If after a class 42 litres of water was consumed, find the number of girls in the class ? 1553 05b5cc745e4d2b4197774fa2c
5b5cc745e4d2b4197774fa2c- 18false
- 26false
- 35false
- 43true
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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.

