A person runs around a square track of side 60 meters. If his speed is 12 km/h, how much time does he take to complete one round? MCQ with Answer and Explanation

Excluding stoppages, a bus travels at 54 km/h and including stoppages it travels at 45 km/h. How many minutes does the bus stop per hour?

A person travels a distance of 200 km at an average speed of 50 km/h and returns at a speed of 40 km/h. Find the average speed for the round trip.

Two boys start running from the same point in the same direction along a circular track at speeds of 5 m/s and 8 m/s. If the track length is 400 meters, after how much time will they meet for the first time?