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. Two trains, Calcutta Mail and Bombay Mail, start at the same time from stations Kolkata and Mumbai respectively towards each other. After passing each other, they take 12hours and 3 hours to reach Mum- bai and Kolkata respectively. If the Calcutta Mail is moving at the speed of 48 km/h, the speed of the Bombay Mail is

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Important Questions on Time, Speed and Distance

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Shyam's house, his office and his gym are all equi- distant from each other. The distance between any 2 of them is 4 km. Shyam starts walking from his gym in a direction parallel to the road connecting his of fice and his house and stops when he reaches a point directly east of his office. He then reverses direction and walks till he reaches a point directly south of his office. The total distance walked by Shyam is
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Lonavala and Khandala are two stations 600 km apart. A train starts from Lonavala and moves to- wards Khandala at the rate of 25 km/h. After two hours, another train starts from Khandala at the rate of 35 km/h. How far from Lonavala will they will cross each other?
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. Walking at 3/4of his normal speed, a man takes 21/2 hours more than the normal time. Find the normal time.
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 Alok walks to a viewpoint and returns to the start- ing point by his car and thus takes a total time of 6 hours 45 minutes. He would have gained  2 hours  by driving both ways. How long would it have taken for him to walk both ways?
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Sambhu beats Kalu by 30 metres or 10 seconds How much time was taken by Sambhu to complete a race 1200 meters.
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 What is the time taken by Chandu to cover a dis- tance of 360km by a motorcycle moving at a speed of 10m/s
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Rajdhani Express travels 650km  in 5h and another 940 km in 10h. What is the average speed of train?
 
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Rishikant, during his journey, travels for 20 minutes at a speed of 30 km/h, another 30 minutes at a speed of 50km/h and 1 hour at a speed of 50 km/h and 1 hour at a speed of 60 km/h. What is the average velocity