1.  A child went 90 m in the East to look for his father, then he turned right and went 20 m. After this he turned right and after going 30 m he reached to his uncle's house. His father was not there. From there he went 100 m to his north and met his father. How far did he meet his father from the starting point?

A. 80 m
B. 100 m
C. 140 m
D. 260 m

Answer: Option B

Explanation: