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Mr. Y starts from Point B and drives 4 km towards the south. He then takes a left turn, drives 7 km, turns right and drives 7 km. He then takes a
Question

Mr. Y starts from Point B and drives 4 km towards the south. He then takes a left turn, drives 7 km, turns right and drives 7 km. He then takes a left turn and drives 9 km. He takes a final left turn, drives 11 km and stops at Point A. How far (shortest distance) and towards which direction should he drive in order to reach Point B again? (All turns are 90 degree turns only unless specified.)​

A.

7 km towards the south

B.

16 km towards the west

C.

11 km towards the north

D.

16 km towards the east

Correct option is B

Given: 
Mr. Y starts from Point B and drives 4 km towards the south.
He then takes a left turn, drives 7 km, turns right and drives 7 km.
He then takes a left turn and drives 9 km.
He takes a final left turn, drives 11 km and stops at Point A. 
Mr. Y drive ​16 km towards the west in order to reach Point B again.
Thus, correct option is (b).

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