Advait has to reach Kanpur which is 947 km away in 19 hours. His starting speed for the first 6 hours was 38 km/hr. For the next 70 km, his speed was 35 km/hr. At what speed must he travel now so as to reach Kanpur within the decided time of 19 hours?

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.