IBPS PO Quantitative Aptitude (Boat & Stream, Problems on Trains) Quiz For Prelims: 19th March 2019

Q1. A 240 metre long train crosses a platform having length of twice of the Train’s length in 40 seconds. What is the speed of the train ?

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Q2. A 180 metres long train crosses another 270 metres long train running in the opposite direction in 10.8 seconds. If the speed of the first train is 60 kmph, what is the speed of the second train in kmph ?

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Q3. Train-A crosses a stationary train-B in 50 seconds and a pole in 20 seconds with the same speed. The length of the train-A is 240 metres. What is the length of the stationary Train-B ?

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Q4. A train passes two persons who are walking in the direction opposite to the direction of train at the rate of 10 m/s and 20 m/s respectively in 12 seconds and 10 seconds, respectively. Find the length of the train.

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Q5. The distance between two stations A and B is 138 km. A train starts from A towards B and another from B to A at the same time and they meet after 6 hours. The train travelling from A to B is slower by 7 kmph compared to other train from B to A, then find the speed of the slower train?

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Q6. Two trains start at the same time from points A and B towards each other and after crossing each other, they take 25 hours and 9 hours in reaching points B and A, respectively. Find the ratio of speeds of trains starting from A to that of starting from B.

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Q7. A train of length 250 metre, passes a platform of 350 metre length in 50 seconds. What time will this train take to pass a platform of 230 metre length?

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Q8. A train crosses a platformt of known length in a known time. What is the length of train ? 

Statement A : The train crosses another stationary train in 36 seconds. 
Statement B : the ratio of the lengths of stationary train and platform is 2 : 3. 
Statement C : Train crosses a pole in 9 sec.

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Q9. A train crosses another train in 10 sec. Find out the lengths of the trains. 
A. Ratio between the lengths the of second and first train is 4 : 5.  
B. Ratio between the speed of first and second trains is 1 : 2. 
C. The speed of first train is 36 km/hr.

Q10. A boat which has a speed of 5 km/hr in still water cover 1km upstream path in 15 minutes. How much distance it could cover in 1 hour 45 minute in downstream:

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Q11. The speed of a boat in still water is 12 kmph. If the boat covers 36 km upstream in 4 hours,what is the speed of stream ?

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Q12. A man can row a boat upstream in 5 hours and downstream in 3 hours. If speed of stream is 3 km/hr, then find the speed of boat in still water.

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Q13. A train crosses a platform in 30 seconds and a pole in 18 sec. If speed of train is 45 km/hr, then find the length of platform.

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Q14. A man can row 6 km/hr in still water. If it takes him twice as long to row up, as to row down the river, then the rate of current in the stream would be
(a)
(b)
(c)
(d)
(e)
S14. Ans.(b)

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Q15. A boatman can row his boat at 14 km/h in still water. He rows from a point A to B upstream and returns from B to A downstream in a total time of 7 hours. If distance between A to B is 45 km, what is the speed of stream?

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