A boy goes to market at an average speed of `29 kmh^-1`.finding the market closed he return back by same path with an average speed of 40 `km h^-1`. find the average speed and velocity for complete journey.

A man walks on a straight road from his home to a market 2.5 km away with a speed of 5 km h^-1 . Finding the market closed, he instantly turns and walks back home with a speed of 7.5 km h^-1 . What is the :- magnitude of average velocity, and

Abdul while driving to school, computes the average speed for his trip to be 20 km h^(-1) . On this trip along the same route there os less traffic and average speed is 40 km h^-(-1) . What is the average speed for Abdul's trip ?

A train travels between two stations ambala and Amritsar. While goind from Ambala to Amritsar, it takes 3 hours and its average speed is 100km/hr. when coming back from Amritsar of Ambala, it takes 2 hours and it average speed is 150 km/hr. obtain the average speed during the whole journey?

A car travels a certain distance with a speed of 50 km//h and returns with a speed of 40 km//h . Calculate the average speed for the whole journey.

A boy goes to school from his home at a speed of x km/hr. and comes back at a speed of y km/hr., then the average speed is given by :

A girl drove to a hospital from her home and noted the odometer reading of her car increased by 12 km. The trip took 18 min. If she returned home by the same path 7h 30 min after she left, what was her average speed and velocity for the entire tip?

A motorcylist drives from A to B with a unit speed of 30 kmh^-1 and returns back with a of 20 kmh^-1 . Find its average speed.

A man walks at a speed of 6 km h^-1 for 1 km and 8 km h^-1 for the next 1 km.What is the average speed for the walk fo 2 km?