Two trains 96 m and 72 m long run at the speeds of 68 km/h and 44 km/h respectively, in opposite directions on parallel tracks. The time which they take to cross each other is

Two trains 96 m and 72 m long run at the speeds of 68 km/h and 44 km/h respectively, in opposite directions on parallel tracks. The time which they take to cross each other is
1). 8 s
2). 6.2 s
3). 7 s
4). 5.4 s

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1. Directions: Read the below passage and answer the questions that follow: Boat A is going ___(1) __ at a speed of ___(2) __ km/hr from point A in a stream of speed ___(3) __ km/hr thus the speed of boat in still water is ___(4) __ km/hr. After travelling a distance of ___(5) __ in ___(6) __ hours it

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3. A man can row a boat at 10 km/hr in still water. If the velocity of the current is 2 km/hr. and he takes 2 hours to row to a place and come back. How far is the place?

4. A boat travels 40 km upstream and returns back in 4.5 hours. If the speed of the stream is 2 km/hr, how much time will the boat take to travel 30 km in still water?

5. Train A and train B crosses a platform in 24 seconds and 20 seconds respectively. What is the ratio of their speeds?

6. The time taken by a train 200 metres long, travelling at 45 km/hr, in passing a person walking in the same direction at 5 km/hr will be

7. Venkatesh covers a certain distance by train at 30 km/h and an equal distance by foot at 6 km/h. If the time taken by him for the whole journey be 3 hr, what is the total distance travelled?

8. How long will Ramesh take to run round a square park of edge 50 metres, if he runs at the rate of 18 km/hr?

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