I started on my bicycle at 7 am to reach a certain place. After going a certain distance, my bicycle went out of order. …

Two men start together to walk a certain distance, one at 4 km/hr and another at 3 km/hr. The former arrives half an hou…

A train 150 metres long takes 20 seconds to cross a platform 450 metres long. The speed of the train in, km per hour is …

A man on tour travels first 160 km at 64 km/hr and the next 160 km at 80 km/hr. The average speed for the first 320 km o…

If A travels to his school from his house at the speed of 3 km/h, then he reaches the school 5 minutes late. If he trave…

A takes 2 hours more than B to walk d km, but if A doubles his speed, then he can make it in 1 hour less than B. How muc…

A car travelling with $$\frac{5}{7}$$ of its usual speed covers 42 km in 1 hr 40 min 48 sec. What is the usual speed of …

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…