A covers distances of 20, 22, 24, 26, 28 km in the first 5 successive hours, while B covers distances of 16, 20, 24, 28, 32 km in the last 5 successive hours of an 8-hour journey. The ratio between A's average speed during the first five hours and B's average speed during the last five hours is:

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.