Leela starts from a point and walks 1 km east and then turns left and walks 2 km and turns right and walks 2 km again. she starts towards a point 2 km towards her right, from where again she walks 1 km left. how far is she from the starting point?
Answers
Given : Leela starts from a point and walks 1 km east and then turns left and walks 2 km and turns right and walks 2 km again. she starts towards a point 2 km towards her right, from where again she walks 1 km left.
To find : how far is she from the starting point?
Solution:
North
West East
South
_ _ 2 km _ _
| |
2 km 2 km
| |
Start ............1 km ,,,,,,,,,,,,,,,,,,, _ 1 km -- Final
Walked 1 km East
Turn left => North Walked 2 km North
Turn Right => East Walked 2 km East
Toward Right => South , Walked 2 km South = Walked - 2 km North
Turned Left => East Walked 1 km East
East = 1 + 2 + 1 = 4 km
North = 2 - 2 = 0
Hence She is 4 km East from Starting point
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