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Problems on trains and average (B SEC)

Aptitude Final CSE 40 preguntas 3,0 (1 valoración)

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Preguntas del test (40)

1A train 125 m long passes a man, running at 5 km/hr in the same direction in which the train is going, in 10 seconds. The speed of the train is:
1. AA. 45 km/hr
2. BB. 50 km/hr
3. CC. 54 km/hr
4. DD. 55 km/hr
2 Two trains running in opposite directions cross a man standing on the platform in 27 seconds and 17 seconds respectively and they cross each other in 23 seconds. The ratio of their speeds is:
1. A[A]. 1 : 3
2. B[B]. 3 : 2
3. C[C]. 3 : 4
4. D[D]. None of these
3

The length of the bridge, which a train 130 metres long and travelling at 45 km/hr can cross in 30 seconds, is:
1. AA. 200 m
2. BB. 225 m
3. CC. 245 m
4. DD. 250 m
4 Two trains running in opposite directions cross a man standing on the platform in 27 seconds and 17 seconds respectively and they cross each other in 23 seconds. The ratio of their speeds is:
1. AA. 1 : 3
2. BB. 3 : 2
3. CC. 3 : 4
4. DD. None of these
5A train passes a station platform in 36 seconds and a man standing on the platform in 20 seconds. If the speed of the train is 54 km/hr, what is the length of the platform?
1. AA. 120 m
2. BB. 240 m
3. CC. 300 m
4. DD. None of these
6Two trains are running at 40 km/hr and 20 km/hr respectively in the same direction. Fast train completely passes a man sitting in the slower train in 5 seconds. What is the length of the fast train?
1. AA. 23 m
2. BB. 23 2/9 m
3. CC. 27 7 /9 m
4. DD. 29 m
7

A train overtakes two persons who are walking in the same direction in which the train is going, at the rate of 2 kmph and 4 kmph and passes them completely in 9 and 10 seconds respectively. The length of the train is:
1. AA. 45 m
2. BB. 50 m
3. CC. 54 m
4. DD. 72 m
8

A train travelling at 48 kmph completely crosses another train having half its length and travelling in opposite direction at 42 kmph, in 12 seconds. It also passes a railway platform in 45 seconds. The length of the platform is
1. AA. 400 m
2. BB. 450 m
3. CC. 560 m
4. DD. 600 m
9A train 800 metres long is running at a speed of 78 km/hr. If it crosses a tunnel in 1 minute, then the length of the tunnel (in meters) is:
1. AA. 130
2. BB. 360
3. CC. 500
4. DD. 540
10A train speeds past a pole in 15 seconds and a platform 100 m long in 25 seconds. Its length is:
1. AA. 50 m
2. BB. 150 m
3. CC. 200 m
4. DD. Data inadequate

11

A train moves past a telegraph post and a bridge 264 m long in 8 seconds and 20 seconds respectively. What is the speed of the train?
1. AA. 69.5 km/hr
2. BB. 70 km/hr
3. CC. 79 km/hr
4. DD. 79.2 km/hr
12 A train 240 m long passes a pole in 24 seconds. How long will it take to pass a platform 650 m long?
1. AA. 65 sec
2. BB. 89 sec
3. CC. 100 sec
4. DD. 150 sec
13 Two trains of equal length are running on parallel lines in the same direction at 46 km/hr and 36 km/hr. The faster train passes the slower train in 36 seconds. The length of each train is:
1. AA. 50 m
2. BB. 72 m
3. CC. 80 m
4. DD. 82 m
14A train 360 m long is running at a speed of 45 km/hr. In what time will it pass a bridge 140 m long?
1. AA. 40 sec
2. BB. 42 sec
3. CC. 45 sec
4. DD. 48 sec
15

A jogger running at 9 kmph alongside a railway track in 240 metres ahead of the engine of a 120 metres long train running at 45 kmph in the same direction. In how much time will the train pass the jogger?
1. AA. 3.6 sec
2. BB. 18 sec
3. CC. 36 sec
4. DD. 72 sec
16

The distance between two stations A and B is 778 km. A train covers the journey from A to B at 84 km per hour and returns back to A with a uniform speed of 56 km per hour. Find the average speed of train during the whole journey.
1. AA. 60.3 km/hr
2. BB. 35.0 km/hr
3. CC. 57.5 km/hr
4. DD. 67.2 km/hr
17 The average weight of 16 boys in a class is 50.25 kg and that of the remaining 8 boys is 45.15 kg. Find the average weights of all the boys in the class.
1. AA. 47.55 kg
2. BB. 48 kg
3. CC. 48.55 kg
4. DD. 49.25 kg
18A library has an average of 510 visitors on Sundays and 240 on other days. The average number of visitors per day in a month of 30 days beginning with a Sunday is:
1. AA. 250
2. BB. 276
3. CC. 280
4. DD. 285
19If the average marks of three batches of 55, 60 and 45 students respectively is 50, 55, 60, then the average marks of all the students is:
1. AA. 53.33
2. BB. 54.68
3. CC. 55
4. DD. None of these
20A pupil's marks were wrongly entered as 83 instead of 63. Due to that the average marks for the class got increased by half (1/2). The number of pupils in the class is:
1. AA. 10
2. BB. 20
3. CC. 40
4. DD. 73
21After replacing an old member by a new member, it was found that the average age of five members of a club is the same as it was 3 years ago. What is the difference between the ages of the replaced and the new member ?
1. AA) 12
2. BB) 13
3. CC) 14
4. DD) 15
22 The average monthly income of P and Q is Rs. 5050. The average monthly income of Q and R is Rs. 6250 and the average monthly income of P and R is Rs. 5200. The monthly income of P is:
1. AA. 3500
2. BB. 4000
3. CC. 4050
4. DD. 5000
23 The average age of husband, wife and their child 3 years ago was 27 years and that of wife and the child 5 years ago was 20 years. The present age of the husband is:
1. AA. 35 years
2. BB. 40 years
3. CC. 50 years
4. DD. None of these
24 The captain of a cricket team of 11 members is 26 years old and the wicket keeper is 3 years older. If the ages of these two are excluded, the average age of the remaining players is one year less than the average age of the whole team. What is the average age of the team?
1. AA. 23 years
2. BB. 24 years
3. CC. 25 years
4. DD. None of these
25 A car owner buys petrol at Rs.7.50, Rs. 8 and Rs. 8.50 per litre for three successive years. What approximately is the average cost per litre of petrol if he spends Rs. 4000 each year?
1. AA. Rs. 7.98
2. BB. Rs. 8
3. CC. Rs. 8.50
4. DD. Rs. 9
26n Arun's opinion, his weight is greater than 65 kg but less than 72 kg. His brother doest not agree with Arun and he thinks that Arun's weight is greater than 60 kg but less than 70 kg. His mother's view is that his weight cannot be greater than 68 kg. If all are them are correct in their estimation, what is the average of different probable weights of Arun?
1. AA. 67 kg.
2. BB. 68 kg.
3. CC. 69 kg.
4. DD. Data inadequate
27 A grocer has a sale of Rs. 6435, Rs. 6927, Rs. 6855, Rs. 7230 and Rs. 6562 for 5 consecutive months. How much sale must he have in the sixth month so that he gets an average sale of Rs. 6500?
1. AA. Rs. 4991
2. BB. Rs. 5991
3. CC. Rs. 6001
4. DD. Rs. 6991
28 The average weight of 8 person's increases by 2.5 kg when a new person comes in place of one of them weighing 65 kg. What might be the weight of the new person?
1. AA. 76 kg
2. BB. 76.5 kg
3. CC. 85 kg
4. DD. Data inadequate
29The average score of a cricketer for ten matches is 38.9 runs. If the average for the first six matches is 42, then find the average for the last four matches.
1. AA. 33.25
2. BB. 33.5
3. CC. 34.25
4. DD. 35
30There were 35 students in a hostel. Due to the admission of 7 new students the expenses of the mess were increased by Rs.42 per day while the average expenditure per head diminished by Re 1. What was the original expenditure of the mess?
1. AA. Rs. 450
2. BB. Rs. 320
3. CC. Rs. 550
4. DD. Rs. 420
31 Cricket : Pitch ::
1. AShip : Dock
2. BBoat : Harbour
3. CBoxing : Ring
4. DWrestling : Track
32Cube is related to Square in the same way as Square is related to
1. APlane
2. BTriangle
3. CLine
4. DPoint
33Find the odd one out
1. AAmmeter: current
2. BHygrometer: pressure
3. Codometer: speed
4. Dseismograph: earthquakes
34Find the odd one out
1. Aaphid: paper
2. Bmoth: wool
3. Ctermite: wood
4. Dlocust: plant
35In a certain code, SUBSTITUTION is written as ITSBUSNOITUT. How is DISTRIBUTION written in that code?
1. AIRTDISNOIUTB
2. BIRTSIDNOIBUT
3. CIRTDISNOITUB
4. DIRTSIDNOITUB
36If in a code language, COULD is written as BNTKC and MARGIN is written as LZQFHM, how will MOULDING be written in that code?
1. ANITKHCMF
2. BCHMFINTK
3. CLNKTCHMF
4. DLNTKCHMF
37There are six persons A, B, C, D , E and F. C is the sister of F. B is the brother of E's husband. D is the father of A and grandfather of F. There are two fathers, three brothers and a mother in the group. Who is the mother ?
1. AE
2. BD
3. CB
4. DA
38A is the brother of B and K, D is the mother of B and E is the father of A. Which of the following statement is not definitely true?
1. AA is the son of D
2. BA is the father of K
3. CB is the brother of K
4. DA is the son of E
39The school principal has received complaints from parents about bullying in the school yard during recess. He wants to investigate and end this situation as soon as possible, so he has asked the recess aides to watch closely. Which situation should the recess aides report to the principal?
1. AA girl is sitting glumly on a bench reading a book and not interacting with her peers
2. BFour girls are surrounding another girl and seem to have possession of her backpack.
3. CTwo boys are playing a one-on-one game of basketball and are arguing over the last basket scored.
4. DThree boys are huddled over a handheld video game, which isn’t supposed to be on school grounds.
40Posthumous Publication occurs when a book is published after the author’s death. Which situation below is the best example of Posthumous Publication?
1. ARichard’s illness took his life before he was able to enjoy the amazing early reviews of his novel.
2. BMelissa’s publisher cancels her book contract after she fails to deliver the manuscript on time.
3. CClarence never thought he’d live to see the third book in his trilogy published.
4. DElizabeth is honoured with a prestigious literary award for her writing career and her daughter accepts the award on behalf of her deceased mother.

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Descripción: Test sobre Problems on trains and average (B SEC), creado por Aptitude Final CSE el 24/07/2016.
Autor: Aptitude Final CSE
Idioma: English
Visitas: 60
Etiquetas: preliminary
Valoración: 3,0 de 5 · 1 valoración
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Problems on trains and average (B SEC)

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