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Question

I am facing North-West. I turn 90 in the clockwise direction, then 180 in the anticlockwise direction and then another 90 in the same direction. In which direction am I facing now?

A
West
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B
South
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C
South-west
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D
South-east
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Solution

The correct option is D South-east
Consider a Cartesian plane taking positive Xaxis as East; negative Xaxis as West; positive Yaxis as North and negative Yaxis as South.
When he turns at an angle of 900 in clockwise it faces North-east and then 1800 in anti-clockwise direction means South-west.
Finally after turning 900 degree it faces South-east.

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