A thief is noticed by a policeman at a distance of 840 m. When the policeman starts the chase at 90 km/h, the thief also starts moving at the same time at a speed of 15 m/s, using a motorbike. How far (in m) would the thief have moved before he is caught by the policeman?

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.