a) 16 b) 18 c) 12 d) 10 Answer: d Explanation:$$\eqalign{ & {\text{Speed of train A}} \cr & {\text{ = 63 ...
View QuestionTrain A passes a lamp post in 9 seconds and 700 meter long platform in 30 seconds. How much time will the same train take to cross a platform which is 800 meters long? (in seconds)
a) 32 seconds b) 31 seconds c) 33 seconds d) 30 seconds Answer: c Explanation: $$\eqalign{ & {\text{Let ...
View QuestionA train starts from A at 7 a.m. towards B with speed 50 km/h. Another train starts from B at 8 a.m. with speed of 60 km/h towards A. Both of them meet at 10 a.m. at C. The ratio of the distance AC to BC is?
a) 5 : 6 b) 5 : 4 c) 6 : 5 d) 4 : 5 Answer: b Explanation: ...
View QuestionTwo trains 180 meters and 120 meters in length are running towards each other on parallel tracks, one at the rate 65 km/hr and another at 55 km/hr. In how many seconds will they be cross each other from the moment they meet?
a) 6 seconds b) 9 seconds c) 12 seconds d) 15 seconds Answer: b Explanation: $$\eqalign{ & {\text{Time ...
View QuestionTwo trains start at the same time from A and B and proceed toward each other at the sped of 75 km/hr and 50 km/hr respectively. When both meet at a point in between, one train was found to have traveled 175 km more then the other. Find the distance between A and B?
a) 875 km b) 785 km c) 758 km d) 857 km Answer: a Explanation: $$\eqalign{ & {\text{Let the trains ...
View QuestionA train takes 9 sec to cross a pole. If the speed of the train is 48 kmph, then length of the train is?
a) 150 m b) 120 m c) 90 m d) 80 m Answer: b Explanation: $$\eqalign{ & {\text{Time taken by ...
View QuestionA train 100 meter long meets a man going in opposite direction at 5 km/h and passes him in 7(1/5) seconds. What is the speed of the train (in km/hr)?
A train 100 meter long meets a man going in opposite direction at 5 km/h and passes him ...
View QuestionTwo trains start at the same time for two station A and B toward B and A respectively. If the distance between A and B is 220 km and their speeds are 50 km/hr and 60 km/hr respectively then after how much time will they meet each other?
a) 2 hr b) $$2\frac{1}{2}$$ hr c) 3 hr d) 1 hr Answer: a Explanation:$$\eqalign{ & {\text{Relative speed}} ...
View QuestionTwo stations A and B are 110 km apart on a straight line. One train starts from A at 7 a.m. and travels towards B at 20 kmph. Another train starts from B at 8 a.m. and travels towards A at a speed of 25 kmph. At what time will they meet?
a) 9 a.m. b) 10 a.m. c) 10.30 a.m. d) 11 a.m. Answer: b Explanation: $$\eqalign{ & {\text{Suppose}}\,{\text{they}}\,{\text{meet}}\,x\,{\text{hours}}\,{\text{after}}\,{\text{7}}\,{\text{a}}{\text{.m}}. \cr & {\text{Distance}}\,{\text{covered}}\,{\text{by}}\,{\text{A}}\, ...
View QuestionA train travelling at 48 kmph completely crosses another train having half its length and travelling in opposite direction at 42 kmph, in 12 seconds. It also passes a railway platform in 45 seconds. The length of the platform is
a) 400 m b) 450 m c) 560 m d) 600 m Answer: a Explanation:$$\eqalign{ & {\text{Let}}\,{\text{the}}\,{\text{length}}\,{\text{of}}\,{\text{the}}\,{\text{first}}\,{\text{train}}\,{\text{be}}\,x\,{\text{metres}} \cr & {\text{Then,}}\,{\text{the}}\,{\text{length}}\,{\text{of}}\,{\text{the}}\,{\text{second}}\,{\text{train}}\,{\text{is}}\, {\frac{x}{2}} ...
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