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Question
A man starts walking towards South. After walking 10 m, he turns left at right angles, then after 15 m he again turns left at right angles. In what direction is he finally walking?
A man starts walking towards South. After walking 10 m, he turns left at right angles, then after 15 m he again turns left at right angles. In what direction is he finally walking?
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Solution
The correct option is A North
Let us consider a Cartesian plane thinking positive X-axis as East; negative one as West; positive Y-axis as North; negative as South.He moves along negative Y axis 10 m later parallel to X axis 15 m.Here he is facing positive X direction.When he turns left he will be facing positive Y direction which is North.Hence, option A.
Let us consider a Cartesian plane thinking positive X-axis as East; negative one as West; positive Y-axis as North; negative as South.
He moves along negative Y axis 10 m later parallel to X axis 15 m.
Here he is facing positive X direction.
When he turns left he will be facing positive Y direction which is North.
Hence, option A.
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