a) 70 km/hr b) 72 km/hr c) 79.2 km/hr d) 80 km/hr Answer: c Explanation:$$\eqalign{ & {\text{Speed}} = \left( {\frac{{132}}{6}} \right){\text{m/sec}} ...
View QuestionA 100 m long train is going at a speed of 60 km/hr. It will cross a 140 m long railway bridge in-
a) 3.6 sec b) 7.2 sec c) 14.4 sec d) 21.6 sec Answer: c Explanation:$$\eqalign{ & {\text{Speed }} ...
View QuestionTwo, trains, one from Howrah to Patna and the other from Patna to Howrah, start simultaneously. After they meet, the trains reach their destinations after 9 hours and 16 hours respectively. The ratio of their speeds is
a) 2 : 3 b) 4 : 3 c) 6 : 7 d) 9 : 16 Answer: b Explanation: ...
View QuestionA 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?
a) 120 m b) 240 m c) 300 m d) None of these Answer: b Explanation: $$\eqalign{ & ...
View QuestionTwo trains running in opposite directions cross a man standing on the platform in 27 seconds and 17 seconds respectively and they cross each other in 23 seconds. The ratio of their speeds is:
a) 1 : 3 b) 3 : 2 c) 3 : 4 d) None of these Answer: b Explanation: ...
View QuestionThe length of the bridge, which a train 130 metres long and travelling at 45 km/hr can cross in 30 seconds, is
a) 200 m b) 225 m c) 245 m d) 250 m Answer: c Explanation:$$\eqalign{ & {\text{Speed}} = {45 \times ...
View QuestionA 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:
a) 45 km/hr b) 50 km/hr c) 54 km/hr d) 55 km/hr Answer: b Explanation:$$\eqalign{ & {\text{Speed}}\,{\text{of}}\,{\text{the}}\,{\text{train}}\,{\text{relative}}\,{\text{to}}\,{\text{man}} = ...
View QuestionA train running at the speed of 60 km/hr crosses a pole in 9 seconds. What is the length of the train?
a) 120 metres b) 180 metres c) 324 metres d) 150 metres Answer: d Explanation: $$\eqalign{ & {\text{Speed}} ...
View QuestionA train of length 500 feet crosses a platform of length 700 feet in 10 seconds. The speed of the train is?
a) 70 ft/second b) 85 ft/second c) 100 ft/second d) 120 ft/second Answer: d Explanation: $$\eqalign{ & {\text{Speed of the ...
View QuestionA train is moving at a speed of 132 km/hr. If the length of the train is 110 meters, how long it will take to cross a railway platform 165 meter long?
a) 5 second b) 7.5 second c) 10 second d) 15 second Answer: b Explanation: $$\eqalign{ & {\text{Speed = 132 ...
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