5"at of his usual speed and reaches the playground 5 minutes eadier What isruryat İofhis usualspedandreachestheplayground5his usual time ?9. A train leaves Hyderabad at 6.30 a.m. and proceeds towards Dehi at 48 kom/hr Anothertrain leaves Delhi at 6.30 a.m. and proceeds towards Hyderabad at 60 kam/hr. Whes andwhere will they cross each other if the distance between these two stations is 1800 km?10. Two trains of lengths 150 m and 180 m respectively are running in opposite directiens onparallel tracks. If their speeds be 30 km/hr and 24 km/hr respectively, in what time will

5"at of his usual speed and reaches the playground 5 minutes eadier Wh

1.	5"at of his usual speed and reaches the playground 5 minutes eadier What isruryat İofhis usualspedandreachestheplayground5his usual time ?9. A train leaves Hyderabad at 6.30 a.m. and proceeds towards Dehi at 48 kom/hr Anothertrain leaves Delhi at 6.30 a.m. and proceeds towards Hyderabad at 60 kam/hr. Whes andwhere will they cross each other if the distance between these two stations is 1800 km?10. Two trains of lengths 150 m and 180 m respectively are running in opposite directiens onparallel tracks. If their speeds be 30 km/hr and 24 km/hr respectively, in what time will
Answer» Let Rakesh's initial speed = x then his final speed = 5x/4 ( because he is running at 5/4 of his usual speed )initial speed : final speed = x : 5x/4 = 4 : 5 and then his time ratio = 5x/4 : xHe reached 5 min earlier so his new time minus initial time = 5x/4 - x = x/4and x/4 = 5 so his new time will be 20 minutes and then his usual time will be 25 minutes ( because he reached 5 min earlier as given in the question so ans is 20 min + 5 min = 25 min )