GJ Police PC · Time, Speed and Distance · Quiz
5 real GJ Police PC questions on Time, Speed and Distance. Instant scoring and solutions, no signup — see where you stand in ~3 minutes.
Question 1 of 5
MEDIUMTwo trains of lengths 120 metres and 180 metres are running in opposite directions at speeds of 42 km/h and 48 km/h respectively. In how many seconds will they completely cross each other?