Related InterviewSolutions

• A car covers four successive 7 km distances at speeds of 10 km / hour, 20 km / hour, 30 km / hour and 60 km / hour respectively. Its average speed over this distance is1). 30 km/hr2). 20 km/hr3). 60 km/hr4). 40 km/hr
• A and B run a 5 km race on a round course of 400 m. If theirspeed are in the ratio 5: 4, the number of times, the winner passes the other ,is1). 12). 23). 34). 5
• A cyclist, after cycling a distance of 70km on the second day, finds that the ratio of distance coveredby him on the first two days is 4: 5. If he travels a distance of 42 km.on the third day.then the ratio of distance travelled on the third day and the first day is :1). 4:32). 3:23). 3:44). 2:3
• Two trains are moving on two parallel tracks but in opposite directions. A person sitting in the train moving at the speed of 80 km / hr passes the second train in 18seconds. If the length of the second train is 1000 m. its speed is1). 100km/hr2). 120 km/hr3). 140 km/hr4). 150 km/hr
• A train goes from Ballygunge to Sealdah at an average speed of 20 km/ hour and comes back at an average speed of 30 km / hour. The average speed of the train for the whole journey is1). 27 km/hr2). 26 km/hr3). 25 km/hr4). 24 km/hr
• A man walking at the rate of 5 km/hr,crosses a bridge in 15 minutes.The length of the bridge (in metres) is:1). 6002). 7503). 10004). 1250
• A moving train passes a platform 50 metres long in 14 seconds and a lamp- post in 10 seconds. The speed of the train is1). 24 km/hr2). 36 km/hr3). 40 km/hr4). 45 km/hr
• A is twice as fast as B, and B is thrice as fast as C is. The journey covered by C in $1\frac{1}{2}$ hours will be covered by A in1). 15 min.2). 30 min.3). 1 hr4). 10 min.
• A thief steals a car at 1.30 p.m. and drives it off at 40 km / hr. The theif is discovered at 2 p.m. and the owner sets off in another car at 50 km / hr. He will overtake the thief at1). 5 p.m2). 4 p.m3). 4.30 p.m4). 6 p.m
• Walking at 5 km/ hr a student reaches his school from his house 15 minutes early and walking at 3 km/ hr,he is late by 9 minutes. What is the distance between his school and his house 1). 5 km2). 8 km3). 3 km4). 2 km