A boy goes to school from his home at a speed of 4 km/hr and returns at a speed of 6km/hr . If in total he took 5 hours in going and coming back, the distance between his house and school ?

A boy goes to his school from his house at a speed of 3 "km"//"hr" and returns at a speed of 2 "km"//"hr" . If he takes 5 hours in going and coming, the distance between his house and school is :

A boy goes to a 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 boy goes to a 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 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 boy goes to school from his home at a speed of x km/h and comes back at a speed of y km/h, then his average speed is-

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

Anil goes to his office at the speed of 35 km/hr and returns to his home at the speed of 30 km/hr. If he takes total 39 hours, then what is the distance between his office and home?

Rajesh goesto his office at the speed of 25 km/hr and returnsto his homeat the speed of 20 km/hr. If he takes total 9 hours, then whatis the distance between his office and home?

A motorist travels from A to B at a speed of 40 km//hr and returns at a speed of 60 km/hr. His average speed will be: