A body covers one-third of its journey with speed 'u' , next third with speed 'v' and the last third with speed 'w'. Calculate the average speed of the body during the entire journey.

A body covers one-therd of its jurney with spdd v_(1) , next onw=third with speed v_(2) and last one-third with speed v_(3) . Calcuate the average dpeed of the during the entire 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.

A man travels one-third part of his total distance with speed v_(1) and rest two-third part with speed v_(2) . Find out the average speed of the man?

A car travels first one third of total time with a speed 20kmph,next one third of time with a speed 40kmph and last one third of time with a speed of 60kmph.The average speed of the car for total journey is?

A partical moves from A to B for the first one-third with speed v_(1) and the next two-third time with speed v_(2) . Find the average speed.

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 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 is

A car travels first one third of total time with a speed 20 kmph, next one third of time with a speed 40 kmph and last one third of time with a speed of 60 kmph. The average speed of the car for total journey is (kmph)

A bus travelled a total distance s. it covered its journey in consecutive one-third distances with speeds 60km/hr, 70km/hr and 80km/hr, respectively. Calculate the average speed of bus for entire journey.