Z1 Express and X1 Express are two trains of lengths 695 m and 625 m respectively, running at speeds of 203 km/h and 193 km/h on parallel tracks. How many seconds will it take for them to completely pass each other if they run in opposite directions?

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.