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Speed of ‘B’ = (80/16) = 5 m/s Time taken by ‘B’ to finish the race = 250 ÷ 5 = 50 seconds
The speed of the cycle changes with the change in speed of wind. Time taken by cycle to travel 20 km., is 2 hours when wind is in the direction of the c...
A boy goes to school at 10 km/Hr and return at a speed of 9 km/hr. If he takes 19 hrs in all. Find the distance from his village to school?
A car can travel 320 kilometers in 8 hours. If a bike travels at a speed that is (3/16)th that of the car, how far will the bike go in 2 hours?
A truck moves at a speed of 80 km/h and covers a distance of 160 km. If the speed is increased by 25%, how much time (in minutes) will the truck take to...
Ram makes four trips of equal distances. His speed on first trip was 120 km/hr and in each subsequent trip his speed was half of the previous trip. What...
A train running at 72 km/hr takes 20 seconds to pass a platform and the train takes 6.5 seconds to pass a car running at 36 km/hr in the opposite direct...
Two cars, 'A' and 'B,' are heading towards each other on a straight road. Car 'A' is traveling at a speed of 56 km/h, while Car 'B' is moving at 34 km/h...
A policeman saw a thief from a distance of 450 m. When the policeman started chasing him, the thief also started running. The ratio of speeds of the th...