A 280 metres long train, travelling at a uniform speed, crosses a platform in 60 seconds and a man standing on the platform in 20 seconds. What is the length of the platform ?
Nitin rides a bicycle at the speed of 15 kms/ hr., but stops for 10 minutes to take rest every 20 kms. How much time will he take to cover a distance of 150 kms. ?
Raman drove from home to a neighbouring town at the speed of 50 kms./hr and on his returning journey, he drove at the speed of 45 kms./hr. and also took an hour longer to reach home. What distance did he cover each way ?
A motor starts with the speed of 70 kmph with its speed increasing every two hours by 10 kmph. In how many hours will it cover 345 kms ?
A car covers its journey at the speed of 80 km/hour in 10 hours. If the same distance is to be covered in 4 hours, by how much the speed of car will have to increase ?
A man starts going for morning walk every day. The distance walked by him on the first day was 2 kms. Everyday he walks half of the distance walked on the previous day. What can be the maximum total distance walked by him in his life time ?
Find the speed of train in km/hr whose length is 200 m and crosses a platform of length 240 m in 22 seconds ?
