A train started from station A and proceeded towards station B at a speed of 216 km/h. 45 minutes later, another train started from station B and proceeded towards station A at 15 km/h. If the distance between the two stations is 855 km, at what distance from station A will the two trains meet?

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.