GRE Practice Question and Answer
8Q: Two trains start from same place at same time at right angles to each other. Their speeds are 36km/hr and 48km/hr respectively. After 30 seconds the distance between them will be ? 2518 05b5cc731e4d2b4197774f819
5b5cc731e4d2b4197774f819- 1900 mtsfalse
- 2300 mtsfalse
- 3250 mtsfalse
- 4500 mtstrue
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Answer : 4. "500 mts"
Explanation :
Answer: D) 500 mts Explanation: Using pythagarous theorem,distance travelled by first train = 36x5/18x30 = 300mdistance travelled by second train = 48x5/18x30 = 400mso distance between them =√( 90000 + 160000) = √250000 = 500mts.
Q: The amount of water (in ml) that should be added to reduce 9 ml lotion, containing 50% alcohol, to a lotion containing 30% alcohol is ? 2514 05b5cc74fe4d2b4197774fae5
5b5cc74fe4d2b4197774fae5- 16 mltrue
- 211 mlfalse
- 315 mlfalse
- 49 mlfalse
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Answer : 1. "6 ml"
Explanation :
Answer: A) 6 ml Explanation: Let us assume that the lotion has 50% alcohol and 50% water.ratio = 1:1As the total solution is 9mlalcohol = water = 4.5mlNow if we want the quantity of alcohol = 30%The quantity of water = 70%The new ratio = 3:7Let x ml of water be addedWe get,4.54.5+x = 37=> x=6Hence 6ml of water is added.
Q: A family has a man, his wife, their four sons and their wives and one daughter. The family of every son also has 3 sons and one daughter. Find out the total number of female members in the family ? 2509 05b5cc758e4d2b4197774fbe5
5b5cc758e4d2b4197774fbe5- 112false
- 28false
- 39false
- 410true
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Answer : 4. "10"
Explanation :
Answer: D) 10 Explanation: 1) Man's wife. = 12) Man's 4 son's wives. = 43) Man's daughter. = 14) 4 son's has each one daughter. = 4Therefore, total number of female members in the family = 1+4+1+4 = 10.
Q: Choose the pair which shows the same relation of the given pair from the following options ? BRISTLE : BRUSH 2503 05b5cc6eee4d2b4197774ef20
5b5cc6eee4d2b4197774ef20- 1arm : legfalse
- 2key : pianotrue
- 3recline : chairfalse
- 4stage : curtainfalse
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Answer : 2. "key : piano"
Explanation :
Answer: B) key : piano Explanation: A bristle is a part of a brush; a key is a part of a piano.
Q: At what time will B catch up with A, if A starts from a place at 11.00 A.M. and travels at a speed of 3.5 kmph, B starts at 1.00 P.M. and travels with speeds of 1 kmph for 1 hour, 2 kmph for the next 1 hour, 3 kmph for the next 1 hour and so on. 2493 05b5cc715e4d2b4197774f409
5b5cc715e4d2b4197774f409- 18 : 47 pmfalse
- 26 : 40 pmfalse
- 38 : 42 pmfalse
- 47 : 40 pmtrue
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Answer : 4. "7 : 40 pm"
Explanation :
Answer: D) 7 : 40 pm Explanation: At 1 pm ... Distance between A and B = 2x3.5 = 7 kmsat 2 pm .....Distance between A and B = 7 + 3.5 - 1 = 9.5 kmsAt 3 pm ....Distance between A and B = 9.5 + 3.5 - 2 = 11 kms.......At 7 pm distance between A and B = 3 kms.From 7 pm to 8 pm, speed of A = 3.5 kmphspeed of B = 8 kmphRelative speed = 4.5 kmph Time taken by B to meet A = 3/4.5 hrs = 30/45 hrs = 120/3 mins = 40 mins. So meeting time is 7 : 40 PM.
Q: One New York publisher has estimated that 50,000 to 60,000 people in the United States want an anthology that includes the complete works of William Shakespeare. And what accounts for this renewed interest in Shakespeare? As scholars point out, his psychological insights into both male and female characters are amazing even today. This paragraph best supports the statement thatA. Shakespeare's characters are more interesting than fictional characters today.B. people even today are interested in Shakespeare's work because of the characters.C. academic scholars are putting together an anthology of Shakespeare's work.D. New Yorkers have a renewed interested in the work of Shakespeare.E. Shakespeare was a psychiatrist as well as a playwright. 2492 05b5cc728e4d2b4197774f6fb
5b5cc728e4d2b4197774f6fb- 1Afalse
- 2Btrue
- 3Cfalse
- 4Dfalse
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Answer : 2. "B"
Explanation :
Answer: B) B Explanation: The last sentence in the paragraph clearly gives support for the idea that the interest in Shakespeare is due to the development of his characters. Choice a is incorrect because the writer never makes this type of comparison. Choice c is wrong because even though scholars are mentioned in the paragraph, there is no indication that the scholars are compiling the anthology. Choice d is wrong because there is no support to show that most New Yorkers are interested in this work. There is no support for choice e either.
Q: System Study involves 2486 05b5cc69be4d2b4197774c7d9
5b5cc69be4d2b4197774c7d9- 1documenting the existing systemfalse
- 2identifying current deficiencies and establishing new goalsfalse
- 3study of an existing systemfalse
- 4All the abovetrue
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Answer : 4. "All the above"
Explanation :
Answer: D) All the above Explanation:
Q: A constructor estimates that 4 people can paint Mr. Karthik's house in 6 days. If he uses 5 people instead of 4, how long will they take to complete the job ? 2480 05b5cc74ae4d2b4197774fac2
5b5cc74ae4d2b4197774fac2- 13 daysfalse
- 226/3 daysfalse
- 313/4 daysfalse
- 424/5 daystrue
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Answer : 4. "24/5 days"
Explanation :
Answer: D) 24/5 days Explanation: we know that m1 x d1 = m2 x d2=> 4 x 6 = 5 x dwhere d = no. of days taken by 5 men to paintd = 24/5 days.