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Two persons C & D started traveling from A and B which are 300 km apart, towards B and A respectively at 1.00 p.m. C travels at a constant speed of 30 kmph whereas D doubles his speed every hour. If D reaches A in 4 5/8 hours, at what time did C and D meet each other ?
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Two trains T1 and T2 start simultaneously from two stations X and Y respectively towards each other. If they are 70 km apart both 3 and 6 hours after start, then find the distance between the two stations.
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Ajith and Rana walk around a circular course 115 km in circumference, starting together from the same point. If they walk at speed of 4 and 5 kmph respectively, in the same direction, when will they meet ?
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There are 4 people who has to cross a stretch of 300 km. They normally run at a speed of 10 kmph. One of them has a bike that travels at 50 kmph. The bike first takes one person alone and crosses the stretch while the other two keep running. Then he comes back without wasting time and picks up another person from the way, drives him across the stretch, and does the same for the last person. How long does this whole process take?
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Ragav took a bus from home to market, that travels at 40 kmph. While walking back at 4 kmph, halfway through, he suddenly realized he was getting late and he cycled back the remaining distance in 30 kmph. Find the average speed.
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A train covers a distance in 50 min, if it runs at a speed of 48kmph on an average. The
speed at which the train must run to reduce the time of journey to 40min will be.
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2 trains starting at the same time from 2 stations 200km apart and going in opposite
direction cross each other at a distance of 110km from one of the stations. What is the
ratio of their speeds?
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In covering a distance of 30 km, Sachin takes 2 hours more than Rohit. If Sachin
doubles his speed, then he would take 1 hour less than Rohit. Sachin speed is:
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A train 140m long running at 60kmph. In how much time will it pass a platform 260m
long?
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The ratio between the Speed of two trains is 7: 8. If the second train runs 440 kms in 4
hours, then the speed of the first train is:
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