A train crosses a platform of length 200 meters in 45 seconds and a man standing on the platform in 25 seconds. If a man moves in the direction of the train at a speed of 2 meters per second, what is the time taken by the train to cross him?

Ramesh covers 56 part of the total distance by bus and the remaining 36 km by car. What is the total distance of his journey?

A person covers a distance of L km in 12 hours. If he increases his speed by 10 m/s, he covers the same distance in 8 hours. Which of the following statements is/are correct? I. The value of L is 760 km. II. The original speed of the person is 72 km/h.