Two cyclists start from the same place in opposite directions. One goes towards the north at a speed of 14 km/h and the other goes towards the south at a speed of 24 km/h. What time will they take to be 47.5 km apart?

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.