Related InterviewSolutions

• A thief seeing a policeman from a distance of 200 metres, starts running with a speed of 8 km/hr. The policeman gives chase immediately with a speed of 9 km/hr and the thief is caught. What is the distance run by the thief?
• Two trains pass each other on parallel lines. Each train is 100 m long. When they are going in the same direction, the faster one takes 60 seconds to pass the other completely. If they are going in opposite directions, they pass each other completely in 10 seconds. Find the speed of the slower train in km/ hr. (a) 30 km/hr (b) 42 km/hr (c) 48 km/hr (d) 60 km/hr
• Two trains 130 m and 110 m long are going in the same direction. The faster train takes one minute to pass the other completely. If they are moving in opposite directions, they pass each other completely in 3 seconds. Find the speed of each train? (a) 38 m/s, 36 m/s (b) 42 m/s, 38 m/s (c) 36 m/s, 42 m/s (d) 40 m/s, 36 m/s
• Two trains travel in the same direction at 60 km/hr and 96 km/hr. If the faster train passes a man in the slower train in 20 seconds, then the length of the faster train is (a) 100 m (b) 125 m (c) 150 m (d) 200 m
• Two trains travel in the same direction at 50 km/hr and 32 km/hr respectively. A man in the slower train observes that the faster train passes him completely in 15 seconds. What is the length of the faster train in metres?
• A man rows to a place at a distance of 48 km and back in 14 hours. He finds that he can row 4 km with the stream in the same time as 3 km against the stream. What is the rate of the stream?
• A boat goes 20 km downstream in one hour and the same distance upstream in two hours. What is the speed of the boat in still water?
• A boat covers a certain distance downstream in 8 hours and comes back upstream in 10 hours. If the speed of the current be 1 km/hr, the distance (in km) of the one way journey is (a) 60 (b) 70 (c) 80 (d) 90
• A hare sees a dog 200 m away from her and scuds off in the opposite direction at a speed of 24 km/hr. Two minutes later, the dog perceives her and gives chase at a speed of 32 km/hr. How soon will the dog overtake the hare and what is the distance from the spot from where the hare took flight? (a) 8 min 2 km (b) \(7\frac12\) min, 2 km (c) \(7\frac12\) min, 3 km (d) \(7\frac12\) min, 1 km
• Robert is travelling on his cycle and has calculated to reach point A at 2 p.m. if he travels at 10 km/hr, he will reach there at 12 noon if he travels at 15 km/hr. At what speed must he travel to reach A at 1 p.m.?(a) 8 km/hr (b) 11 km/hr (c) 12 km/hr (d) 14 km/hr