A rabbit completes 5 jumps in the same time it takes a dog to complete 3 jumps. The rabbit covers 2 m in 1 jump, and the dog covers 4 m in 1 jump. If the initial gap between the rabbit and the dog is 10 m, how many jumps does the dog need to make to catch the rabbit?

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.