A 180 metres long train takes 9 seconds to pass a verticle pole.
What is the average speed of the train in kilometre per hour?

Rahim travelled 350 kilometres in a train and 150 kilometres in a bus. The average speed of the 'train was 70 km / h . The bus trip lasted 5 hours. What is the average speed of the entire trip?

A train took 4 hours and 30 minutes to cover 360 kilometres. What is its average speed?

Ratnagiri is180 kilometres from Pavizhamala. Gopika's family travelled in a car at an average speed of 60 (km) / h . They managed only 45 (km) / h during the return trip. What is the average speed of the entire trip?

Shyama's exam starts at 2 o' clock. To reach the place, she hás to travel 50 kilometres by bus and 175 kilometres by train: Average speed of bus journey is 20 ~km / h and average speed of train journey is 50 ~km / h . To reach there 1 hour, before the exam, when should Shyama leave home?

A 125 metre long train travels at 90 km / h . How much time would it take to cross a 175 metre long bridge?

Two trains travelling along parallel tracks in the same direction do 50 (km) / h and 100 (km) / h on average. The faster train starts 2 , hours later than the slower. After how many kilometres will the faster train catch up?