The average speed of a train in the onward journey is 25% more than that in the return journey. The train halts for one hour on reaching the destination. The total time taken for the complete to and from journey is 17 hours, covering a distance of 800 km. The speed of the train in the onward journey is:
A and B start at the same time with speeds of 40 km/hour and 50 km/hour respectively. If in covering the journey, A taken 15 minutes longer than B, the distance of the journey is :
A man takes 5 hours 45 min. in walking to a certain place and riding back. He would have gained 2 hours by riding both ways. The time he would take to walk both ways, is: