A moving train passes a platform 50 m long in 14 seconds and a lamp post in 10 seconds. The speed of the train (in km/hr…

A and B walk around a circular track. They start at 8 am from the same point in the opposite directions. A and B walk at…

A runs $$\frac{7}{4}$$ times as fast as B. If A gives B a start of 300 m, how far must the winning post be if both A and…

A boat covers 48 km upstream and 72 km downstream in 12 hours, while it covers 72 km upstream and 48 km downstream in 13…

A train increases its normal speed by 12.5% and reaches its destination 20 min earlier. What is the actual time taken by…

One third of a certain journey is covered at the rate of 25 km/hr, one forth at the rate of 30 km/hr and the rest at 50 …

A train can travel 50% faster than a car. Both start from point A at the same time and reach point B 75 kms away from A …

The speed $$3\frac{1}{3}$$ m/sec when expressed in km/hr becomes :