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Question

Directions: Study the information given below carefully and answer the questions that follow.

Point B is 6 km to the west of point E. Point D is 2 km to the south of point H. Point C is 9 km to the east of point A. Point E is 8 km to the north of point C. Point G is 3 km to the west of point B. Point D is 10 km to the south of point B.

What is the direction of point E from point A?

This question was previously asked in
ESIC UDC Mains MBT (30 Apr 2022)
The correct answer is

North-East

This question requires us to determine the directional relationship between two points, E and A, based on a series of given spatial relationships between different points. We need to carefully map out the positions of the points to find the direction of E relative to A.

Mapping Point Positions

Let's break down the given information and establish the coordinates or relative positions of the points. We can set a reference point, for example, placing point C at the origin (0,0) for easier calculation.

  • Statement 3: Point C is 9 km to the east of point A. This implies that point A is 9 km to the west of point C.
    • If C = (0, 0), then A = (-9, 0).
  • Statement 4: Point E is 8 km to the north of point C.
    • If C = (0, 0), then E = (0, 8).

We have now determined the positions of A and E relative to C. Point A is 9 km West of C, and Point E is 8 km North of C.

Determining Direction of E from A

To find the direction of point E from point A, we look at the displacement needed to move from A to E.

  • Current position (Point A): (-9, 0)
  • Target position (Point E): (0, 8)

Calculate the change in coordinates:

  • Change in East-West direction (x-axis): $0 - (-9) = +9$ km. A positive value indicates movement towards the East.
  • Change in North-South direction (y-axis): $8 - 0 = +8$ km. A positive value indicates movement towards the North.

Since the movement from A to E involves displacement in both the East and North directions (9 km East and 8 km North), the direction of E from A is North-East.

Analysis of Other Statements

The other statements provided in the question help to establish the positions of points B, D, G, and H. However, they are not necessary for finding the direction of E from A. Let's verify them for completeness:

  • Statement 1: Point B is 6 km to the west of point E. If E = (0, 8), then B = ($0 - 6$, 8) = (-6, 8).
  • Statement 6: Point D is 10 km to the south of point B. If B = (-6, 8), then D = (-6, $8 - 10$) = (-6, -2).
  • Statement 2: Point D is 2 km to the south of point H. If D = (-6, -2), then H = (-6, $-2 + 2$) = (-6, 0).
  • Statement 5: Point G is 3 km to the west of point B. If B = (-6, 8), then G = ($-6 - 3$, 8) = (-9, 8).

These additional coordinates confirm the relative positioning but do not alter the calculation for the direction of E from A.

Conclusion

Based on the calculations, point E is located 9 km East and 8 km North of point A. Therefore, the direction of point E from point A is North-East.

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Similar Questions

  1. In which direction is point S with respect to point O?

  2. What is the shortest distance between point N and point S?

  3. In which direction is point Q with respect to point M?

  4. What is the distance between points B and H?


Important Questions from Direction and Distance

  1. Vijendra walks a certain distance, say X metres, from his home towards the west. Then he turns left and walks 23 metres. After that, he turns left and walks 36 metres. Then he turns left again to walk 23 metres. He finally turns left and walks 18 metres to reach his home. Find the value of X.
  2. Gaurav exits from the backdoor of his north-facing house and walks 25 m straight, then he takes a left turn and walks 36 m, then he turns left and walks 47 m. He turns left again and walks 36 m. How far and in which direction is he from his house now?

  3. Reeta is standing facing south-east. First, she turns 135° clockwise. After that, she turns 90 °  anticlockwise. Then she turns 45 °  clockwise, followed by a 135 ° anticlockwise  turn. In which direction is she facing now?

  4. Sahasra started running from her house towards the north. After 40 meters she turned left and ran for 75 meters. She then turned right and ran for 30 meters, and again turned right to run 75 meters. In which direction was she running finally?

  5. At the time of sunset, Lopa and Kritika are sitting facing each other. If the shadow of Lopa falls to the right of Kritika, in which direction is Kritika facing?

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