Going 40 m to the South of her house, Rani turns left and goes another 15 m. Then, turning to the North, she goes 20 m and then starts walking towards her house. In which direction she is walking now?
Question
Going 40 m to the South of her house, Rani turns left and goes another 15 m. Then, turning to the North, she goes 20 m and then starts walking towards her house. In which direction she is walking now?
Solution
Rani starts at her house and goes 40 m to the South.
Then she turns left. Since she was facing South, a left turn would now have her facing East. She then walks 15 m East.
Next, she turns to the North and walks 20 m.
Finally, she starts walking towards her house. Since her house is to the North of her current position (she initially walked 40 m South from her house and has only walked 20 m North since), she is now walking in the North direction.
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