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Q. A person w...

Question

Q. A person walks 12 km towards the North, then 15 km towards the East, then 19 km towards the West, and then 15 km towards the South. How far is this person now from the starting point?

A

5 km

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B

9 km

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C

37 km

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D

61 km

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Solution

The correct option is A 5 km
From the given information, the following diagram is obtained:

Hence, by Pythagoras Theorem, 5 km is the desired distance.

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