GRE प्रश्न और उत्तर का अभ्यास करें
8प्र: Population of a colony of mosquitoes is increasing by 20% per day. If the population on Monday was 3000, on which day of that week the population would be 5184 ? 2270 05b5cc73ae4d2b4197774f8f1
5b5cc73ae4d2b4197774f8f1- 1Thursdaytrue
- 2Fridayfalse
- 3Tuesdayfalse
- 4Mondayfalse
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उत्तर : 1. "Thursday"
व्याख्या :
Answer: A) Thursday Explanation: Given monday population = 3000Per day 20% increase in population. Tuesday population = 3000 + 3000x20/100 = 3000 + 600 = 3600 Wednesday population =3600 + 3600x20/100 = 3600 + 720 = 4320 Thursday population = 4320 + 4320x20/100 = 4320 + 864 = 5184 So that day is Thursday.
प्र: In a family, each daughter has the same number of brothers as she has sisters and each son has twice as many sisters as he has brothers. How many sons are there in the family ? 2269 05b5cc723e4d2b4197774f6be
5b5cc723e4d2b4197774f6be- 11false
- 22false
- 33true
- 44false
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उत्तर : 3. "3"
व्याख्या :
Answer: C) 3 Explanation: Assume the family has X girls and Y boys, according to the question,we can have 2 equations:X-1=Y, 2(Y-2)=X.Solve the equations, we get X=4, Y=3.
प्र: Car is to garage as aeroplane is to 2263 05b5cc65ee4d2b4197774be20
5b5cc65ee4d2b4197774be20- 1Hangartrue
- 2Portfalse
- 3Harbourfalse
- 4Depotfalse
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उत्तर : 1. "Hangar"
व्याख्या :
Answer: A) Hangar Explanation: We park car temporarily in garrage, similarly, aeroplane is temporarily parked in hangar.
प्र: If the given two numbers are respectively 7% and 28% of a third number, then what percentage is the first of the second ? 2263 05b5cc75ce4d2b4197774fc48
5b5cc75ce4d2b4197774fc48- 124%false
- 229%false
- 334%false
- 425%true
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उत्तर : 4. "25%"
व्याख्या :
Answer: D) 25% Explanation: Here, k = 7 and l = 28Therefore, first number = klx100 % of second number = 7/28 x 100% of second number = 25% of second number.
प्र: I have an eye but cannot see? 2261 05b5cc66de4d2b4197774bfe3
5b5cc66de4d2b4197774bfe3- उत्तर देखेंउत्तर छिपाएं
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उत्तर :
व्याख्या :
Its a Needle. Needle has an eye but can't see.
प्र: I can Honk without using a Horn. Who am I? 2261 05b5cc6abe4d2b4197774cf9e
5b5cc6abe4d2b4197774cf9e- 1Goosetrue
- 2Cranefalse
- 3Penguinfalse
- 4Hummingfalse
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उत्तर : 1. "Goose"
व्याख्या :
Answer: A) Goose Explanation: Goose can Honk without using a Horn. Geese are waterfowl of the family Anatidae.
प्र: Statement: The Chairman stressed the need for making education system more flexible and regretted that the curriculum has not been revised in keeping with the pace of the changes taking place.Course of action:a. Curriculum should be reviewed and revised periodically.b. System of education should be made more flexible. 2251 05b5cc731e4d2b4197774f80f
5b5cc731e4d2b4197774f80f- 1Only a followsfalse
- 2Only b followsfalse
- 3Both a & b followstrue
- 4Neither a nor b followsfalse
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उत्तर : 3. "Both a & b follows"
व्याख्या :
Answer: C) Both a & b follows Explanation: Clearly, the situation demands making the education system more flexible and changing it periodically according to the needs of the time. So, both the courses follow.
प्र: Dot cabs company provides cabs for software employees. The company has 8 Swift dzires, 6 Scorpios, 7 Innovas and few small cars. If Swift dzire makes one fourth of the total fleet, how many small cars are there in the company ? 2249 05b5cc741e4d2b4197774f9ea
5b5cc741e4d2b4197774f9ea- 19false
- 210false
- 311true
- 412false
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उत्तर : 3. "11"
व्याख्या :
Answer: C) 11 Explanation: Given the company has 8 SD + 6 SRP + 7 IN = 21 cars + 'x' small cars.Given SD makes 1/4 th of the total fleet.=> 8 = 1/4 (21 + x)=> 32 = 21 + x=> x = 11 Therefore, the company has 11 small cars.

