A car takes 4 hours to travel a distance of 320 km. What is its average speed for the journey?

Q. A motorist travelled $210km$ in $6hours$. His average speed for first $150kilometres$ was $50km{h}^{-1}$. What was his average speed for the remaining $60kilometres$?

Q. A train covers a distance of $200km$ daily from its origin to destination in $5hours$. On a particular day, the train covers the distance of $160km$ in $4.5hours$. What should be the speed of the train after $4.5hours$ such that it reaches the destination on time?

Q. A car takes $4hours$ to travel from Bangalore to Chennai, whereas the flight takes only $30minutes$ to travel from Bangalore to Chennai. If the distance from Bangalore to Chennai by road is $400km$ and by air is $150km$, find the average speed of flight and average speed of car in the same order.

Q. A car travels from point 'A' to point 'B' which are $160km$ apart in $3\text{hours}$. The car comes back to point 'A' in $2\text{hours}$. Calculate the average speed of the car.