Lucky walks 7 km, in the east. Then he turns to his right and moves 20 km, then he turns to his left and moves 5 km, then he turns to his left and moves 11 km. and then again he turned to his left and move 12 km. Now in which direction is he from his starting point and how far?

Options

A. 9 km South
B. 64 km East
C. 20 km west
D. 7 km south

Answer

A

Explanation

AB = 7 km, BC=20 km
CD=5 km, DE =11 km, EG =12 km
BF = BC -DE
=20-11 km
=9 km
AG = BF = 9 km.