Q: A train covers a certain journey in 5 hours at a speed of 45 km/h. What is the speed of the train for the same journey in 3 hours?
✅ Step 1: Find the total distance
Distance=Speed×Time
Distance=45×5=225 km
✅ Step 2: Find new speed to cover same distance in 3 hours
Speed=Distance/Time=
Distance=225/3=75 km/h
✅ Final Answer: 75 km/h.