Two bikes start simultaneously from a distance of 60 km apart and travel towards each other, meeting after 20 minutes. If the first bike travels at a speed of 80 km/h, what is the speed of the second bike?

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.