A goods train and a superfast train move in the same direction at the speed of 55 km/h and 85 km/h, respectively, on parallel tracks. If the goods train is 1.85 km long and the superfast train is 1.25 km long, then find the time taken by the superfast train to cross the goods 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.