Two trains are running on parallel tracks in the same direction at speeds of 80 km/h and 90 km/h, respectively. The faster train completely crosses the slower train in 3 minutes. If the length of one train is 230 m, what is the length (in m) of the other train?

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.