Two men start together to walk a certain distance,one at 4 km/hr and another at 3 km/hr. The former arrives half an hour before the later.Find the distance.

Two men start together to walk a certain distance, one at 4 km/h and another at 3 km/h. The former arrives half an hour before the latter. Find the distance.

Two runner start runing together for a certain distance one at 5 km/h and another at 3 km/h the former arrives one and half an hour before the latter.the distance( km)

Two runner start running together for a certain distance, one at 8 km/h and another at 5 km/h. The former arrives one and half an hour, before the latter. The distance (in km) is:

Two men start together to walk to a certain destination,one at 3kmph and another at 3.75 kmph.The latter arrives half an hour before the former.The distance is 6backslash km b.7.5backslash km c.8backslash km d.7.5backslash km e.9.5backslash km

A car covers the first half of the distance between two places at 40 km/hr and another half at 60 km/hr. The average speed of the car is