GRE Practice Question and Answer
8Q: 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. 1208 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: 1 Billion Seconds Equals to 1207 05b5cc6afe4d2b4197774d24f
5b5cc6afe4d2b4197774d24f- 134.76 yearsfalse
- 232.48 yearsfalse
- 333.31 yearsfalse
- 431.68 yearstrue
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Answer : 4. "31.68 years"
Explanation :
Answer: D) 31.68 years Explanation: We know that 1 year = 365.25 days 1 day = 24 hours 1 hour = 60 minutes 1 minute = 60 seconds ┬а => 1 Year = 365.25 x 24 x 60 x 60 Seconds But 1 billion seconds = ? 1 Year = 365.25 x 24 x 60 x 60 Seconds ┬а ┬а ?┬а ┬а ┬а=┬а 1000000000 Seconds ┬а ?┬а=┬а1000000000365.25┬аx┬а24┬аx┬а60┬аx┬а60┬аyears┬а= 31. 68 years.
Q: Which is faster Light or Sound? 1199 15b5cc6b3e4d2b4197774d463
5b5cc6b3e4d2b4197774d463- 1Lighttrue
- 2Soundfalse
- 3Both are samefalse
- 4Can't be determinedfalse
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Answer : 1. "Light"
Explanation :
Answer: A) Light Explanation: Light travels Faster than Sound. ┬а Light : 1. Light doesn't require a medium to travel. 2. It travels in the vaccum with the speed of 1,86,000 miles per second. ┬а Sound: 1. Sound rquire a medium. 2. It travels in the Air with the speed of 340 meters per second. 3. It travels Faster in Water than in Air. 4. It travels Faster in Steel than in Water.
Q: Third proportion of 10 and 20 is 1198 05b5cc66de4d2b4197774bfa0
5b5cc66de4d2b4197774bfa0- 130false
- 240true
- 325false
- 420false
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Answer : 2. "40"
Explanation :
Answer: B) 40 Explanation: The third proportional of two numbers p and q is defined to be that number r such that p : q = q : r. ┬а Here, required third proportional of 10 & 20, and let it be 'a' => 10 : 20 = 20 : a 10a = 20 x 20 => a = 40 ┬а Hence, third proportional of 10 & 20 is 40.
Q: Every year before the festive season, a brand store increases the price of the product by 42% and then introduce two successive discount of 10% and 11% respectively. What is percentage loss and percentage gain ? 1197 05b5cc745e4d2b4197774f9f9
5b5cc745e4d2b4197774f9f9- 13.25% lossfalse
- 213.742% lossfalse
- 33.25% gainfalse
- 413.742% gaintrue
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Answer : 4. "13.742% gain"
Explanation :
Answer: D) 13.742% gain Explanation: Let CP = 100,42 % increase => SP = 14210 % discount in SP => ((142 x 10)/100) = 14.2So 1st SP = (142 - 14.2) = 127.8, again 12 % discount in 1st SP ((127.8 x 11)/100) = 14.0582nd SP = (127.8 - 14.058) = 113.742, So finally CP = 100, SP = 113.742, => gain = 13.742%.
Q: 200 D for P G in M 1196 05b5cc632e4d2b4197774b9a8
5b5cc632e4d2b4197774b9a8- Show AnswerHide Answer
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Answer :
Explanation :
Logically the given letter equation implies that,┬а200 Dollars for Passing GO in Monopoly.
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Answer :
Explanation :
9 P in SS┬а is a short form for 9 Planets i┬а Solar System. ┬а There are many more of this kind. Some of them are: ┬а 1. 7 C in a R┬а ┬а ┬а ┬а -┬а ┬а 7 Colours in a Rainbow 2.┬а 90 D in a R A┬а ┬а-┬а ┬а 90 Degrees in a Right Angle 3.┬а 52 W in a Y┬а ┬а ┬а-┬а ┬а 52 Weeks in a Year 4.┬а┬а5 C in an OF 5.┬а 12 S of the Z
Q: Sweety is 54 years old and her mother is 80. How many years ago was Sweety's mother three times her age? 1195 05b5cc6bae4d2b4197774d79e
5b5cc6bae4d2b4197774d79e- 120false
- 241true
- 326false
- 433false
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Answer : 2. "41"
Explanation :
Answer: B) 41 Explanation: Given P = 54 and M = 80 According to the question, Let тАШAтАЩ years ago,┬аM = 3P => M - A/P - A = 3 => 80 - A = 3(54 - A) => 80 - A = 162 - 3A => 2A = 82 => A = 41 Therefore,┬аA = 41 years ago┬аSweetyтАЩs mother was 3 times of SweetyтАЩs age. Hence, at the age┬аS = 13┬аand┬аM = 39.