180 m long Train A crosses Train B of 120 m in length which is running in opposite direction in $$ {60\over 11}$$ sec. If speed of train B is 20% more than that of train A, then find the time taken by both trains to cross each other, when they running in same direction?

A man sets out on a journey. He traveled for a total of 16 hours. He covered the first half of the distance at a speed of 40 km per hour and the second half at a speed of 60 km per hour. How much distance did he cover?

A man walks a certain distance and rides back in 4 hours 30 minutes. he could ride both ways in 3 hours. The time required by the man to walk both ways is 

If Sonu is driving a car at a speed of 20m/s, then in how much time Sonu will cover a distance of 936 km?

An aeroplan covers a certain distance at a speed of 240 km/hour in 5 hours. To cover the same distance in   $$ 1{2\over3} $$ hours it must travel at a speed of: 

Shyam covers a distance of 400 km in 5 hours. He traveled for some time at a speed of 85 km / h and the rest at a speed of 55 km / h. How long did he travel at high speed?

A boy rides his bicycle 10 km at an average speed of 12 km/hr and again travels 12 km at an average speed of 10 km/hr. His average speed for the entire trip is approximate: 

A runner starts running from a point at 6:00 am with a speed of 8km / hr. Another racer starts from the same point at 8:30 am in the same direction with a speed of 10km / hr. At what time of the day (in P.M.) will the second racer will overtake the other runner?