GATE Practice Question and Answer
8Q: A number, when 35 is subtracted from it, reduces to its 80 percent. What is four - fifth of that number ? 1742 05b5cc6dee4d2b4197774ea4b
5b5cc6dee4d2b4197774ea4b- 1175false
- 2140true
- 3135false
- 495false
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Answer : 2. "140"
Explanation :
Answer: B) 140 Explanation: x - 35 = 80x/100 => x = 175 => 4x/5 = 4x175/5 = 140.
Q: Which of the following is not a prime number? 1741 05b5cc655e4d2b4197774bd59
5b5cc655e4d2b4197774bd59- 15false
- 211false
- 321true
- 437false
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Answer : 3. "21"
Explanation :
Answer: C) 21 Explanation: A prime number is a whole number greater than 1 whose only factors are 1 and itself. Factors of 5 are 1, 5 Factors of 11 are 1, 11 Factors of 21 are 1, 3, 7, 21 Factors of 37 are 1, 37. Hence, according to the definition of a prime number, 21 is not a prime number as it has more than two factors.
Q: In a vacuum, all electromagnetic waves have the same 1740 05b5cc63de4d2b4197774bb0a
5b5cc63de4d2b4197774bb0a- 1Velocitytrue
- 2Wavelenthfalse
- 3Frequencyfalse
- 4All the abovefalse
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Answer : 1. "Velocity"
Explanation :
Answer: A) Velocity Explanation: When traveling in a vacuum, electronic waves from the electromagnetic spectrum all travel at the same speed. Velocity is speed with direction, so they would all travel at the same velocity, realtively speaking. But frequency and wavelength are quite different.
Q: Robert is traveling on his cycle and has calculated to reach point A at 2 p.m. if he travels at 10 km/hr; he will reach there at 12 noon if he travels at 15 km/hr. At what speed must he travel to reach A at 1 p.m. ? 1740 05b5cc6dae4d2b4197774e899
5b5cc6dae4d2b4197774e899- 120 kmphfalse
- 218 kmphfalse
- 312 kmphtrue
- 416 kmphfalse
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Answer : 3. "12 kmph"
Explanation :
Answer: C) 12 kmph Explanation: Let the distance traveled be x km.Then, x/10 - x/15 = 23x - 2x = 60 => x = 60 km.Time taken to travel 60 km at 10 km/hr = 60/10 = 6 hrs.So, Robert started 6 hours before 2. p.m. i.e., at 8 a.m.Required speed = 60/5 = 12 kmph.
Q: Which of the following vitamin helps in clotting of blood? 1739 05b5cc68be4d2b4197774c3b6
5b5cc68be4d2b4197774c3b6- 1Vitamin Ktrue
- 2Vitamin Dfalse
- 3Vitamin B1false
- 4Vitamin B2false
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Answer : 1. "Vitamin K"
Explanation :
Answer: A) Vitamin K Explanation: Vitamin K helps in clotting of blood. It is used by the body to help blood clot. Warfarin (Coumadin) is used to slow blood clotting. By helping the blood clot, vitamin K might decrease the effectiveness of warfarin (Coumadin).
Q: Statement: It is estimated that about twenty lakh people will visit the city during the ensuing festival.Courses of action:a. The civic authority should monitor the crowd and restrict entry of the people beyond a manageable number.b. The local police authority should be put on high alert to maintain law and order during the festival.c. All the hospitals in the city should be put on high alert in case of any eventuality. 1739 05b5cc767e4d2b4197774fe06
5b5cc767e4d2b4197774fe06- 1Only a followsfalse
- 2Both b & c followstrue
- 3Only c followsfalse
- 4Both a and b sufficientfalse
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Answer : 2. "Both b & c follows"
Explanation :
Answer: B) Both b & c follows Explanation: Clearly, People cannot be deprived of enjoying the festival for lack of arrangements. Also, it becomes necessary to deploy police to regulate big crowds and avert any mishap in public gatherings. Further, it costs nothing but might prove useful to put hospitals on alert to be ready to provide quick medical aid to patients in case of any eventuality. So, both b and c follow.
Q: Find the odd letter/word from the given alternatives. 1738 05b5cc6cae4d2b4197774dff2
5b5cc6cae4d2b4197774dff2- 1Horsetrue
- 2Ewefalse
- 3Hindfalse
- 4Bitchfalse
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Answer : 1. "Horse"
Explanation :
Answer: A) Horse Explanation: Except Horse, remaining all belong to female category. Hind - Female Deer Ewe - Female Sheep Bitch - Female Dog.
Q: Jio is a big shot at reducing the cost of Internet access in India. The U.S., despite being the richest country in the world, lags far behind in terms of cost and penetration of Internet access. Cheap access to the Internet is an important step in bridging the access gap – access to good education, good healthcare, etc. But the market reaction to Jio is similar to the U.S. market’s reaction to firms announcing their intention to diversify. ( 1738 05b5cc6ace4d2b4197774d0a0
5b5cc6ace4d2b4197774d0a0- 1The final group of losers is the current shareholders of RIL. On announcement of Jio, the stock price of RIL fell. (false
- 2It shows that the market’s short-term reaction is usually proven correct in the long-run. (false
- 3On losing end, the first groups of losers are the shareholders of other telecom companies. (false
- 4The large amount of revenue the Government of India gets from auctioning off the nation’s natural resources is not necessarily a good thing because the Government does not have a stellar track record when it comes to spending the money. A large fraction of Government spending is wasted. (E) The second loser is the Government of India. The big money the Indian Government was raking in selling cellular bandwidth was actually coming from the pockets of the cellular consumers. (F) The first obvious winners of this scheme are customers. (G) The second winner is Mr. Ambani; he can potentially make a lasting impact as the man who brought Internet to millions of Indians. Question: Which of the following supports the decision of other companies opposing Reliance JIO Scheme?true
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Answer : 4. "The large amount of revenue the Government of India gets from auctioning off the nation’s natural resources is not necessarily a good thing because the Government does not have a stellar track record when it comes to spending the money. A large fraction of Government spending is wasted.
(E) The second loser is the Government of India. The big money the Indian Government was raking in selling cellular bandwidth was actually coming from the pockets of the cellular consumers.
(F) The first obvious winners of this scheme are customers.
(G) The second winner is Mr. Ambani; he can potentially make a lasting impact as the man who brought Internet to millions of Indians.
Question:
Which of the following supports the decision of other companies opposing Reliance JIO Scheme?"
Explanation :
Answer: D) Both C & E Explanation: As the arguments C and E states that other companies are on the losing end with this scheme, it is the only appropriate answer to this question.