A thief running at a speed of 7 km/h is chased by a policeman, whose speed is 8 km/h. If the thief is 85 m ahead of the policeman, how much time will it take for the policeman to catch the thief?

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.