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प्रश्न
Harsh moves 15 kms in East direction, then turns towards North and moves 4 kms. From there he turns West and travels 12 kms. How far and in which direction is he from his starting point?
पर्याय
5 kms, North-East
5 kms, South-West
27 kms, North-East
19 kms, North-East
MCQ
उत्तर
5 kms, North-East
Explanation:
A = starting point, C = end point
Point C is north-east in direction with respect to point A.
Distance between AC = `sqrt("AB"^2 + "BC"^2)`
`= sqrt((3)^2 + (4)^2)`
`= sqrt(9+16) = sqrt25` = 5 kms
Therefore, Harsh is 5 kms and in north-east direction from his starting point.
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Direction and Distance Test (Entrance Exam)
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