question_answer

Rohit walked 25 metres towards South. Then he turned to his left and walked 20 metres. He then turned to his left walked 25 metres. He again turned to his right and walked 15 metres. At what distane is he from the starting point and in which direction?

A) 35 metres, East

B)   35 metres, North

C) 40 metres, East  

D)   60 metres, East

E) None of these

Correct Answer: A

Solution :

Explanation Option [a] is correct. The movements of Rohit are as shown in figure. Rohit?s distance from starting point \[A = AE\] \[= \left( AD + DE \right) = \left( BC + DE \right) = \left( 20 + 15 \right) m = 35m.\]Also, point E is to the East of A. So, he is in East direction.