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Question

A person travels 12 km in the southward direction and then travels 5 km to the right and then travels 15 km toward the right and finally travels 5 km towards the east, how far is he from his starting place?

A
5.5 kms
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B
3 km
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C
13 km
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D
6.4 km
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Solution

The correct option is B 3 km
REF.Image
OA=12km
AB=5km
BC=15km
CD=5km
To find OD=?
after moving from ¯O to ¯A,¯B,¯C,¯D (along these directions)
He reads north of stating point i.e. O.
¯OD is southwards (3 km) from D or
or ¯OD is northwards (3 km) from O
Option B is correct

1155045_1144325_ans_71572127923548e5a84d9f3505073b6e.jpg

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