A man started on a walk of 12 km after walking half the distance at x km/h he decreased his speed by 1/2 km/h. He completed his walk in 10 minutes later than he would have done if he had not decreased his speed. Find the value of x.
A train travels a certain distance at 40 km per hour on an average with stoppages and without stoppages its speed is 50 km per hour. How much time on an average per hour it stops.
A man rode out a certain distance by train at the rate of 25 km per hour and walked back at the rate of 4 km per hour. The whole journey took 5 hours 40 minutes. What distance did he ride?
Two men start together to walk a certain distance one at 4 km an hour and the other at 4/3 km an hour. The former arrives half an hour before the latter. Find the distance.
Two motor cars start from one point and move along two roads at right angles. If their speeds be respectively 36 km and 48 km an hour find the distance between them 15 seconds after the start.
A column of men extending 250 m in length takes one hour to march through a street at the rate of 50 paces per minutes each pace being 75 cm. Find the length of the street.
A thief steals a motorcar at 1 pm and drives it at 45 km an hour. The theft is discovered at 2 P:M and owner sets off in another car at 54 km an hour when will he overtake the thief?
A hare sees a dog 100 meters away from her and scuds off in the opposite direction at a speed of 12 km an hour. A minutes later the dog perceives her and gives chase at a speed of 16 km per hour. At what distance from the spot where the hare took fight started from?
