If a body travels for time 't' with speed `v_1` and then it further travels for time 't' with speed `v_2` find the average speed.

If a body cover a distance x with speed v_1 and then it covers another distance x with speed v_2 , find the average speed for the whole journey.

A vehicle travels half the distance L with speed V_1 and the other half with dspeed v_2 , then its average speed is

If a body covers first half of its journey with uniform speed v_(1) and the second half of the journey with uniform speed v_(2) . Then the average speed during whole journey.

If a body covers a three equal distances with speeds v_1,v_2 and v_3 then what is the average speed of the body?

A car travels 30 km at a uniform speed of 40 km/h and the next 30 km at a uniform speed of 20 km/h . Find its average speed.

Two trains leave a railway station at the same time. The first train travels due west and the second due north. The first train travels 5 km/hr faster than the second train. If after two hours, they are 50 km apart, find the average speed of each train.

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 bus travels a distance of 120km with a speed of 40km/h and returns with a speed of 30km/h .Calculate the average speed for the entire journey.

If object begins to move with speed v_0 , what will be the speed of its image?

An express train takes 1 hour less than a passenger train to travel 132 km between Mysore and Bangalore (without taking into consideration the time they stop at intermediate stations). If the average speed of the express train is 11 km/hr more than that of the passenger train, find the average speed of the two trains.