question_answer

Sanjay starts walking towards North. After walking 30 m he turns to his left and walks 40 m. He turns to his left and walks 30 m. He again turns to his left and walks 50 m.

How far is he from the starting point?

A)  50 m   

B)  30 m

C)  20 m               

D)  None of these

Correct Answer: D

Solution :

\[\therefore \] Required distance \[=OD\,=CD-CO\] \[\,=CD-AB=50-40=10\,\,m\]