Must Read Article- Time and Distance: Basic Concepts, Formulas
11. If a train 50 m long passes a platform 100 m 101 in 10 seconds, then speed of the train is?
(a) 10 km/hr
(b) 18 km/hr
(c) 36 km/hr
(c) 54 km/hr
12. Excluding stoppages, the speed of a bus is 54 kn and including stoppages, it is 45 kmph. For 1 many minutes does the train stop per hour?
(a) 12
(b) 19
(c) 15
(d) 16
13. Two men starting from the same place walk at the rate of 4 kmph and 5.5 kmph respectively. What time will they take to be 5.25 km apart if they walk in the same direction?
(a) 2 hrs
(b) 3 hrs
(c) 7/2 hrs
(d) 11/2 hrs
14. Two buses travel to a place at 45 kmph and 60 kmph respectively. If the second bus takes 11/2 hours less than the first for the journey, then length of the journey is-
(a) 900 km
(b) 945 km
(c) 950 km
(d) 990 km
15. Ratish starts jogging from point X to point Y. Half an hour later, his friend Sunil who jogs 1 mile (1.61 km) per hour slower than twice Ratish’s rate starts from the same point and follows the same path. If Sunil overtakes Ratish in 2 hours, how many miles will Sunil have covered?
(a) 11/2
(b) 10/3
(c) 4
(d) 6