Peter, John and Mike run around a Circular track starting from the same point simultaneously and in the same direction at the speed of 36 kmph, 54 kmph and 72 kmph respectively. If the length of the track is 3600 metre, when will Peter, John and Mike meet at the starting point for the first time after they start the race?

- A car running with a speed of 61 km/hr takes 20 hours to go from 'A' to 'B'. If on the way back from 'B' to 'A', the car takes 20% less time than it takes while going from 'A' to 'B', then find the approximate average speed of the car during the whole journey
- ‘A’ and ‘B’ started moving towards each other at same time with a speed of 12 km/hr and 16 km/hr, respectively. If the distance covered by ‘A’ is 30 km more than that by ‘B’, when they meet then find the initial distance between them.
- A person travelled a distance of 200 km in 7 hours. He travelled partly on a car at the speed of 50 kmph and partly on cycle at 20 kmph. What is the distance travelled by him on cycle?
- The average speed of a bus is half the speed of a train. The train covers 5200 km in 13 hours. How much distance will the bus cover in 36 minutes?
- The speeds of Avinash and Rahul are 70km/hr and 90km/hr. Initially Rahul is at a place P and Avinash is at a place Q. The distance between Rahul and Avinash is 1040km. Avinash started his journey 8 hours earlier than Rahul to meet each other. If they meet each other at a place O somewhere between P and Q, then the distance between O and Q is
- A boat can go 3 km upstream and 5 km downstream in 55 minutes. It can also go 4 km upstream and 9 km downstream in 1 hour 25 minutes. In how much time (in hours) will it go 43.2 km downstream?
- The downstream speed of a boat is 6 km/hr more than its upstream speed and the ratio of the speed of the boat in still water to the speed of the stream is 8:3. Find the total time taken by boat to travel 33 km downstream and 25 km upstream?
- R jogs at twice the speed of walking and runs at twice the speed of jogging. From his home to office, he covers half of the distance by walking and the rest by jogging. From his office to home, he covers half the distance jogging and the rest by running. What is his average speed (in km/h) in a complete round from his home to office and back home if the distance between his office and home is 10 km and he walks at the speed of 5 km/h?
- Find the distance travelled (in km) by the truck to reach point B from point A, if a car cover 45% the same distance in 2 hours 42 minutes and a truck covers 50% of the distance in 7 hours. The sum of speed of the car and truck is 160 km/hr.

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