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Trains - Online Quiz
Following quiz provides Multiple Choice Questions (MCQs) related to Trains. You will have to read all the given answers and click over the correct answer. If you are not sure about the answer then you can check the answer using Show Answer button. You can use Next Quiz button to check new set of questions in the quiz.
Q 1 - A 120 m long train takes 10 seconds to cross a man standing on a platform. The speed of the train is:
Answer : B
Explanation
Speed =(120/10) m/sec = 12 m/s
Q 2 - A 130 m long train crosses a bridge 30 seconds at 45 kmph. The length of the bridge is ?
Answer : C
Explanation
Let the length of the bridge be x m. Speed of the train = (130+x)/30 m/sec. But, speed =(45*5/18)m/sec. =25/2 m/sec. ⇒ (130+x)/30 = 25/2 ⇒ 130 + x = 375 ∴ x = 245 m
Q 3 - Two trains are running in opposite side with speeds of 62 kmph and 40 kmph respectively. If the length of one train is 250m and they cross each other in 18 sec. , the length of the other train is
Answer : C
Explanation
Let the length of the other train be x meters. Sum of their length = (250*x) m Relative speed = (62+40)kmph = 102kmph =(102*5/18) m/sec. = 85/3 m/sec. (250+x)/(85/3) =18 ⇒ 3(250+x) = (85*18) ⇒ 750+3x =1530 ⇒ 3x = 780 ⇒ x = 260 ∴ length of the other train = 260 m
Q 4 - A train 100 m in length passes a milestone in 10 sec. and another train of the same length is going in opposite direction in 8 sec. The speed of the second train is
Answer : C
Explanation
Speed of the first train = (100/10)m/sec. = 10m/sec. Let the speed of the second train be x m/sec. 200/ (10+x) = 8 ⇒ 8(10+x) =200 ⇒ 8x = 120 ⇒ x =15 ∴ speed of the second train =15m/sec. = (15*18/5) =54km/hr
Q 5 - A train moving at the rate of 36 km per hour crosses a standing man in 10 sec. It will cross a platform 55m long, in
Answer : D
Explanation
speed of the train = (36*5/18)m/sec. =10m/sec. Let the length of the second train be x meters. Then, x/10 =10 ⇒ x =100m Time taken by the train to cross the platform = (100+55)/10 sec.=31/2 sec.
Q 6 - Two train travel in opposite direction at 36 kmph and 45kmph. A man sitting in a slower train passes the faster train in 8 sec. The length of the faster train is
Answer : D
Explanation
Relative speed =(36+45)km/hr =(81*5/18)m/sec. =45/2m/sec. Length of the train = distance covered in 8 sec. at 45/2m sec. = (45/2*8)= 180 m
Q 7 - Two trains , one from station A to station B and the other from B to A start simultaneously . After meeting , the trains reach their destinations after 9 hours and 16 hours respectively. The ratio of their speeds is
Answer : B
Explanation
(A's speed) : (b's speed ) = √b:√a= √16:√9 = 4:3