GATE Practice Question and Answer
8Q: Find the odd number out of the following number series? 2 4 8 11.5 18.25 28.375 5497 05b5cc68be4d2b4197774c380
5b5cc68be4d2b4197774c380- 118.25false
- 228.375false
- 311.5false
- 48true
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Answer : 4. "8"
Explanation :
Answer: D) 8 Explanation: Given number series follows a pattern that, 2 2 x 1.5 + 1 = 4 4 x 1.5 + 1 = 7 (not equal to 8) 7 x 1.5 + 1 = 11.5 11.5 x 1.5 + 1 = 18.25 18.25 x 1.5 + 1 = 28.375 Hence, the odd number in the given number series is 8.
Q: Which is the gas used for making vegetables and vanaspathi from vegetable oils? 5483 05b5cc6b1e4d2b4197774d346
5b5cc6b1e4d2b4197774d346- 1Hydrogentrue
- 2Nitrogenfalse
- 3Argonfalse
- 4Heliumfalse
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Answer : 1. "Hydrogen"
Explanation :
Answer: A) Hydrogen Explanation: Hydrogen gas is used for making vegetables and vanaspathi from vegetable oils. As it is colourless, odourless, tasteless, flammable gaseous substance, it is added to oils to make them more solid or spreadable. The use of hydrogenation helps to prolong the shelf life of the food and maintain flavour stability.
Q: 'P' walked 1 km towards south direction and turned 90oACW and walked 2 km. Then he turned his left and walked 1 km and then he turned his right and walked 2 km. After that he turned 90o ACW and walked 3 km. How far is he from the starting point ? 5462 05b5cc6cee4d2b4197774e23c
5b5cc6cee4d2b4197774e23c- 15 kmtrue
- 24 kmfalse
- 32 kmfalse
- 40 kmfalse
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Answer : 1. "5 km"
Explanation :
Answer: A) 5 km Explanation:
Q: Amar can do a piece of work in 10 days. He works at it for 4 days and then Arun finishes it in 9 days. In how many days can Amar and Arun together finish the work ? 5453 05b5cc6d6e4d2b4197774e66a
5b5cc6d6e4d2b4197774e66a- 14 daysfalse
- 28 daysfalse
- 33 daysfalse
- 46 daystrue
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Answer : 4. "6 days"
Explanation :
Answer: D) 6 days Explanation: 4/10 + 9/x = 1 => x = 15 Then both can do in 1/10 + 1/15 = 1/6 => 6 days
Q: In a beach, Renu is running with her children and there she met Vishal and Laxmi. Vishal introduces Ravi to those children as " This person is the daughter of your mother's father's mother and is my sister." How is Vishal and Laxmi related to Renu ? 5439 05b5cc6d5e4d2b4197774e615
5b5cc6d5e4d2b4197774e615- 1Brother and Sisterfalse
- 2Uncle and Aunttrue
- 3Father and Motherfalse
- 4Can't determinefalse
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Answer : 2. "Uncle and Aunt"
Explanation :
Answer: B) Uncle and Aunt Explanation: Daughter of your mother's father's mother => Maternal grandmother => Renu's Aunt. Hence, Laxmi is Renu's Aunt and Vishal is Renu's Uncle.
Q: Microprocessors as switching devices are for which generation computers? 5423 05b5cc645e4d2b4197774bbb4
5b5cc645e4d2b4197774bbb4- 1Fourth generationtrue
- 2Third generationfalse
- 3Second generationfalse
- 4First generationfalse
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Answer : 1. "Fourth generation"
Explanation :
Answer: A) Fourth generation Explanation: Microprocessors are used in the computers of fourth generation computers. Personal microcomputers were possible due to the microprocessors. Microprocessors further revolutionized the development of computers. The first microprocessor called Intel 4004 was developed by American Intel Corporation in 1971.
Q: If today is Saturday, what will be the day 350 days from now ? 5382 05b5cc6dbe4d2b4197774e8eb
5b5cc6dbe4d2b4197774e8eb- 1Saturdaytrue
- 2Fridayfalse
- 3Sundayfalse
- 4Mondayfalse
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Answer : 1. "Saturday"
Explanation :
Answer: A) Saturday Explanation: 350 days, 350/7 = 50, no odd days, so it will be a Saturday.
Q: Two trains are moving in the same direction at 72 kmph and 36 kmph. The faster train crosses a girl sitting at window seat in the slower train in 32 seconds. Find the length of the faster train ? 5352 05b5cc6d8e4d2b4197774e769
5b5cc6d8e4d2b4197774e769- 1170 mfalse
- 2100 mfalse
- 3270 mfalse
- 4320 mtrue
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Answer : 4. "320 m"
Explanation :
Answer: D) 320 m Explanation: Relative speed = (72 - 36) x 5/18 = 2 x 5 = 10 mps.Distance covered in 32 sec = 32 x 10 = 320 m. The length of the faster train = 320 m.