Places A and B are 105 km apart on a highway. Two cars start simultaneously from A and B. If they move in the same direction, they meet after 1012 hours, but if they move in opposite directions, they meet after 112 hours. By what percentage is the speed of the faster car more than that of the slower car?

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.