Question

Saritha went 15 km to the West from her house, then turned left and walked 20 km. She then turned East and walked 25 km and finally turning left covered 20 km. Howfar is she from her house ?

Accepted Answer

D. Movement: - 15 km West - 20 km South (turned left) - 25 km East (turned left) - 20 km North (turned left) Net vertical displacement = $20 - 20 = 0$ km. Net horizontal displacement = $25 - 15 = 10$ km East. She is 10 km away from her house.

Direction sense - Saritha's path

Explanation

Practise this under exam conditions