Basic questions based on Speed, time and Distance. Questions discussed in this video Rahul, an athlete, completes 200m race is 24 sec. What is his speed? a. 20kmph b. 24 kmph c. 28.5 kmph d. 30 kmph. A car is running at a speed of 108kmph. What distance will it cover in 15 sec? a. 45m b. 55m c. 450 m d. Cannot be determined. How long will a boy take to run around a square field of side 35m if he runs at the speed of 9 kmph? a. 50 sec b. 52 sec c. 54 sec d. 56 sec A man , walking at the rate of 5kmph, crosses a bridge in 15 minutes. The length of the bridge is : a. 600m b. 750 m c. 1000 m d. 1250 m