time speed and distance questions for bank exams
A wheel of a motorbike has radius 35 cm. How many revolutions per minute must the wheel make so that the speed of the bike is 33 km/hr?
(a) 300
(b) 250
(c) 200
(d) 220
(e) None of these
A car covers a certain distance in 3 hours at the speed of 124 kms./hr. What is the average speed of a truck which travels a distance of 120 kms less than the car in the same time?
(a) 88 kms./hr.
(b) 84 kms./hr.
(c) 78 kms./hr.
(d) 73 kms./hr.
(e) None of these
A truck covers a distance of 368 km at a certain speed in 8 hours. How much time would a car take at an average speed which is 18 km/hr more than that of the speed of the truck to cover a distance which is 16 km more than that travelled by the truck ?
(a) 7 hrs
(b) 5 hrs
(c) 6 hrs
(d) 8 hrs
(e) None of these
A 210 m long train takes 6 s to cross a man running at 9 km/h in a direction opposite to that of the train. What is the speed of the train? (in km/h)
(a) 127
(b) 121
(c) 117
(d) 108
(e) 111
Three persons start walking together and their steps measure 40 cm, 42 cm and 45 cm respectively. What is the minimum distance each should walk so that each can cover the same distance in complete steps?
(a) 25 m 20 cm
(b) 50 m 40 cm
(c) 75 m 60 cm
(d) 100 m 80 cm
(e) None of these