# Model Questions for LDC ,PSC on Maths

__Problems Related to Train Distance__

__Problems Related to Train Distance__

Certain questions from this sections of maths for LDC Examination surely appear.Study the following types of questions clearly,About 20 marks for LDC is from maths sections .One or two questions is from this sections.If you study well you will get these two marks and make easy to attain the good rank in LDC Examinations

- If a car moves at the rate of 72 km per hour what is the speed in metres per second

Ans:20m/sec - A train passes a signal post in 6 seconds moving at the rate of 90km/hr.The lengthof train is

Ans:120 m - A train 60 metres long takes 30 seconds in crossing a tunnel 440 metres .The speed of the train is

Ans:65 km/hr - Two trains 130 metres and 80 metres long are running in opposite direction are at the speed of 75 km/hr and 33km/hr.From the movement they meet ,they will cross each other in

Ans:7 sec - A man covers certain distance between A and B by motor cycle .Having an average speed of 20km/hr he is late by 15 minutes.However with a speed of 40 km/hr he reaches 5 minutes earlier.Find the distance between A&B

Ans:40/3 - Gopal goes to his office at the speed of 2km/hr and returns home at a speed of 3km/hr.If he takes 10 hours in all.What is the distance between his office and home

Ans:12 Km - Two boys cover the same distance at the rate of 10 km/hr and 15 km/hr.Find the distance travelled when one takes 20 minutes longer than the other

Ans:10 km - A person crosses a 600 m long street in 5 minutes.What is his speed in km per hour

Ans:7.2 km/hr - A car moves certain distance at a speed of 240 km/hr in 5 hour.To cover the same distance in 1-2/3 hours,it must travel at a speed of

Ans:720km/hr - If a person walks at 14/hr instead of 10km/hr,he would have walked 20 km more.The actual distance travelled by him

Ans:50 km - Excluding stoppages the speed of a bus is 54 km/hr and including stoppages it is 45 km/hr.For how many minutes does the bus stop per hour

Ans:10 min - A man completes a journey in 10 hours.He travels first half of the journey at the rate of 24 km/hr.Find the length of total journey

Ans:224 km - The ratio between speeds of two train runs 400 kms in 4 hours,then the speed of the first train

Ans:87.5km/hr - A man travels 160km at 64 km/hr and the next 160 km at 80 km/hr.The average speed for 320 km of the journey

Ans:71.11 km/hr - A car travelling with 5/7 of its actual speed covers 42 km in 1 hour 40 min 48 sec.Find the actual speed of the car

Ans:35 km/hr - Find the time taken by a train 180 m long running at 72 km/h in crossing an electric post

Ans:9 sec - A train 140 m long is running at 60km/hr.In how much time will it pass a plat form 260 m long

Ans:24 sec - A train 100 m long running at a speed of 70 km/hr.In what time will it pass a man who is running at a speed of 10km/h in the same direction

Ans:6 sec - A train 160 m long takes 30 seconds in crossing a tunnel of 440 metres long.The speed of the train is

Ans:20m/s - Two trains started to move from A to B at 6 am&6.30 am at the speed of 60km/hr& 90km/hr respectively.How far away from A will the two trains meet each other

Ans:90 km - If the speed of the boat in still water is 8 km/hr and the speed of the water is 2 km/hr,then the speed of the boat in downstream direction is

Ans:10 km/hr - If the speed of the boat in still water is 8 km/hr and the speed of the water is 2 km/hr,then the speed of the boat in upstream direction is

Ans:6 km/hr - A man can go 30km/hr in up stream and 34 km/hr in downstream.Find the speed of a man in still water

Ans:32 km/hr - The speed of a boat in still water is 8 km/hr.The boat goes 6 km and comes back to the starting point in 2 hours.Find the speed of the stream

Ans:4 km/hr - A man is walking at the rate of 5km/hr crosses a bridge in 15 minutes.The length of the bridge is

Ans:1250 m - How long will a boy take to run around a square field of side 35 metres ,if he runs at the rate of 9 km/hr

Ans:56 sec - A car is running at a speed of 108 km/hr.What distance will it cover in 15 seconds

Ans:450 m - The speed of the car increases by 2km/hr,after every one hour .If the distance covered in the first one hour was 35 kms,what was the total distance travelled in 12 hours

Ans:552 kms - A train covers a distance of 10 km in 12 minutes .If its speed is decreased by 5 km/hr ,the time taken to cover the same distance will be

Ans:13 min 20 sec - A car completes a journey in 10 hours.He travels first half of the journey at the rate of 21 km/hr and second half at the rate of 24 km/hr.Find the total journey

Ans:224 km - If a man running at 15 km/hr,crosses a bridge in 5 minutes the length of the bridge

Ans:1250 m - A train 200 m long with a speed of 30 km/hr will pass a standing man in

Ans:24 sec - A train 280 m long is moving at a speed of 60 km/hr.The time taken by train to cross a platform 220 m long is

Ans:30 sec - A train 120 m long crosses a pole in 10 seconds .The sped of the train is

Ans:43.2km/hr - A train 50 m long passes a platform 100 m long in 10 seconds The speed of the train is

Ans:15 m/s - A train 700 m long is running at the speed of 72 km/hr.If it crosses a tunnel in one minutesthen the length of tunnel is

Ans:500m - A train 270 m long is moving at a speed of 25 km/hr.It will cross a man coming from the opposite direction of a speed of 2 km/hr in

Ans:36 sec - A train 150 m long crosses a man walking at a speed of 6 km/hr in the opposite direction in 6 seconds.The speed of the train is

Ans:84 km/hr - Two train 90 m and 120 m long are running in opposite direction one at the rate of 48 km/hr and another 60 km /hrFrom the moment they meet they will cross each other in

Ans:7 sec - A train 100 m long passes a milestone in 10 seconds and another train of the same length travelling in opposite direction in 8 seconds.The speed of the second train is

Ans:54 km/hr - In one hour a boat goes 11 km along the stream and 5 km against the stream.Then speed of the boat in still water

Ans:8 - A boat running downstream ,covers a distance of 16 km in 2 hours while for covering the distance upstream ,it takes 4 hours.What is the speed of the boat in still water

Ans:6km/hr - A boat goes 2 km against the current of the stream in one hour and 1 km along the current in 10 minutes .How long will it take to go 5 km in still water

Ans:1 hr 15 min - If a boat goes 7 km upstream in 42 minutes and the speed of the stream in 3 km/hr.The speed of the boat in still water

Ans:13km/hr - Boat can travel with a speed of 13km/hr in still water .If the speed of the stream is 4 km/hr.Find the time taken by the boat to go 68 km downstream(in hrs)

Ans:4 - Street light poles are arranged in a straight line with a spacing of 50 m What would be the distance between the first and the ninth pole

Ans:400 m - If a body takes 9 seconds to run 135 meters .Find the speed in metre per seconds

Ans:15 m/s - A man wants to cover 50 km on his bycycle .He covers 12.5 long will he take to cover the whole distance

Ans:5 hours - Rajesh travels from A to B at a speed of 40 km/hr and B to a at a speed of 60 Km/Hr.Find the average speed of whole journey

Ans:48 km/hr - A is twice as fast as B is thrice as fast as C.The journey covered by C in 42 minutes will be covered by A in

Ans:7