question_answer

Ram moves from a point X to 20 metres towards North. Then he moves 40 metres towards West. Then he moves 20 metres North. Then he moves 40 metres towards East and then 10 metres towards right and he reaches to a point Y. Find the distance and direction of Y mm X?

A)  30 metres. North 

B)  30 metres. South

C)  40 metres. North 

D)  40 metres, South

Correct Answer: C

Solution :

Required distance \[=XY=AX+AY\] \[=20+10\] \[=30\,m,\]North