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Com of Solid Bodies

A rat runs ...

Question

A rat runs $20$ m towards East, turns right and runs $10$ m. It again turns right, runs $9$ m and then, turns left and runs $5$ m. It again turns left, runs $12$ m and finally, turns left and runs $6$ m. Which direction is the rat facing in the end?

A

East

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B

West

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C

North

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D

North-east

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Solution

The correct option is C North
The movements of the rat and the distances the rat covers from point to point are shown in the diagram.
A to B $\to$ $20$ m towards East
B to C $\to$ $10$ m towards South
C to D $\to$ $9$ m towards West
D to E $\to$ $5$ m towards South
E to F $\to$ $12$ m towards East
F to G $\to$ $6$ m towards North
So finally the rat is facing North
option C

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