1)

A villager went to meet his uncle in another village situated 5 km away in the North-east direction of his own village. From there he came to meet his father-in-law living in a village situated 4 km in the south of his uncle's village. How far away and in what direction is he now?

A) 3 km in the North

B) 3 km in the East

C) 4 km in the East

D) 4 km in the West

=> OB =$\sqrt{25-16}$ km = $\sqrt{9} km$= 3 km. Thus, B is 3 km to th€ east of his initial position O.