Get premium membership and access revision papers with marking schemes, video lessons and live classes.
Two towns R and S are 245 km apart. A bus travelling at an average speed of 60 km/h left town R for town S at 8.00 a.m. A truck left town S for town R at 9.00 a.m and met with the bus c 11.00 a.m. Determine the average speed of the truck.