Question

140. Rashi travelled 20 km towards north. Then, she turned
right and travels 30 km. Then, she turns right and
travels a distance of 35 km. Then, she turns left and
walks 15 km. Finally, she turns left and walks 15 km. In
which direction and how many metres is she from the
starting position?
(a) 5 km west
(b) 30 km east
(c) 30 km west (d) 45 km east​

Answer 1

Answer:

(d)45 km east

Step-by-step explanation:

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Answer 2

Given,

Rashi travels 20km north and turns right and travels 30km, then again turns right and travels 35 km, again she turns left and travels 15km and finally again turns left and travels 15km.

To Find,

Distance between the starting point and endpoint of Rashi's journey and direction of the endpoint from the starting point.

Solution,

Since the problem is related to directions, it is easy to solve if a figure is drawn and thus a figure is attached explaining and showing the total journey of Rashi.

Let us say the starting point of the journey is A, the second point is B, the third point is C, the fourth point is D, the fifth point is E, and the last point, that is endpoint is F.

From the attached figure, the red line represents the distance between the starting point and the endpoint, which is 45km and is in the east direction.

Henceforth, the distance is 45km east, which is option "d".