GRE प्रश्न और उत्तर का अभ्यास करें
8प्र: Rajesh rows in still water with a speed of 4.5 kmph to go to a certain place and comes back. Find his average speed for the whole journey, if the river is flowing with a speed of 1.5 kmph? 2494 05b5cc67ee4d2b4197774c245
5b5cc67ee4d2b4197774c245- 12 kmphfalse
- 24 kmphtrue
- 36 kmphfalse
- 48 kmphfalse
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उत्तर : 2. "4 kmph"
व्याख्या :
Answer: B) 4 kmph Explanation: Let the distance in one direction = k kms Speed in still water = 4.5 kmph Speed of river = 1.5 Hence, speed in upstream = 4.5 - 1.5 = 3 kmph Speed in downstream = 4.5 + 1.5 = 6 kmph Time taken by Rajesh to row upwards = k/3 hrs Time taken by Rajesh to row downwards = k/6 hrs Now, required Average speed =Total distanceTotal speed = 2kk3 + k6 = 2k x 186k + 3k = 4 kmph Therefore, the average speed of the whole journey = 4kmph.
प्र: What tastes better than it smells? 1129 05b5cc67ee4d2b4197774c24a
5b5cc67ee4d2b4197774c24a- उत्तर देखेंउत्तर छिपाएं
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उत्तर :
व्याख्या :
Tongue. Yes tongue tastes better than it smells as it can't smell.
प्र: What occurs once in a minute twice in a moment? 1569 05b5cc67ee4d2b4197774c244
5b5cc67ee4d2b4197774c244- उत्तर देखेंउत्तर छिपाएं
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उत्तर :
व्याख्या :
Here the letter 'M' appears once in Minute and twice in a MoMent.
प्र: Which of the following is the largest unit of information? 1380 05b5cc67ee4d2b4197774c22a
5b5cc67ee4d2b4197774c22a- 11 TBtrue
- 21 GBfalse
- 31 MBfalse
- 41 KBfalse
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उत्तर : 1. "1 TB"
व्याख्या :
Answer: A) 1 TB Explanation: 1 TB > 1 GB > 1 MB > 1 KB 1 Tb (Tera Byte) = 1024 GB 1 GB (Giga Byte) = 1024 MB 1 MB (Mega Byte) = 1024 KB 1 KB (Kilo Byte) = 1024 Bytes 1 Byte = 8 Bit Hence, largest unit of information is TB (Tera Byte) and smallest unit of information is Bit.
प्र: One boat is overtaking another. Which boat must give way? 1050 05b5cc67be4d2b4197774c214
5b5cc67be4d2b4197774c214- उत्तर देखेंउत्तर छिपाएं
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उत्तर :
व्याख्या :
The boat which is overtaken must give way to the boat which is overtaking.
प्र: Crack the code? 1221 05b5cc67be4d2b4197774c215
5b5cc67be4d2b4197774c215- उत्तर देखेंउत्तर छिपाएं
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उत्तर :
व्याख्या :
STARTLING is a required 9 letter English word is still a word each time you remove a letter from the word. And how it is shown below: 1. Remove the L, and the word becomes: STARTING 2. Remove one T, and the word becomes: STARING 3. Remove the A, and the word becomes: STRING 4. Remove the R, and the word becomes: STING 5. Remove the other T, and the word becomes: SING 6. Remove the G, and the word becomes: SIN 7. Remove the S, and the word becomes: IN 8. Remove the N, and the word becomes: I
प्र: What is the term used in tennis when the score is 40-40? 2376 05b5cc67be4d2b4197774c20e
5b5cc67be4d2b4197774c20e- 1Acefalse
- 2Ledfalse
- 3Deucetrue
- 4Tiefalse
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उत्तर : 3. "Deuce"
व्याख्या :
Answer: C) Deuce Explanation: When both sides have won the same number of points then: when each side has won one, or two, points, the score is described as "15-all" and "30-all" (or "15-up" and "30-up"), respectively. However, if each player has won three points, the score is called as "deuce", not "40–all". From that point on in the game, whenever the score is tied, it is described as "deuce", regardless of how many points have been played.
प्र: Rs. 69 were divided among 115 family members so that each lady gets 50 paise less than each gentleman, and each gentleman received twice the paise as each lady received. Find the number of gentlemen in the family? 2363 05b5cc67be4d2b4197774c1f0
5b5cc67be4d2b4197774c1f0- 123true
- 292false
- 348false
- 452false
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उत्तर : 1. "23"
व्याख्या :
Answer: A) 23 Explanation: Total number of female members = 115 Let the number of males = x Number of females = y => x + y = 115 ......(1) According to the given data, x + y(0.50) = 69 ......(2) From (1) & (2), we get 0.5y = 46 => y = 46 x 2 = 92 => x = 115 - 92 = 23 Hence, required number of gentlemen in the family = x = 23.

