A man walks at 6 km/h to arrive at 9 a.m., but at a slower speed arrives at 10 a.m. The distance is 12 km. What was his slower speed?

A and B start at 8 a.m. in opposite directions around a circular track at 2 and 3 rounds/hr. How many times do they cross by 9:30 a.m.?

A train is 50% faster than a car. On a 75 km run, the train loses 12.5 min in stops but arrives with the car. What is the car’s speed?

Taimoor walks to school at 2 km/h from 6 a.m. and returns at 3 km/h, getting home at 9 a.m. What is the distance?