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Question

Chahak starts from point A and walks for 6 m towards the south. Then she takes a left turn and walks for 5 m. Then she takes a left turn again and walks for 9 m. Once again, she takes a left turn and walks for 2 m. At last, she takes one more left turn and walks for 3 m. And she stops at point B. Towards which direction should she walk in order to reach point A again? (All turns are 90-degree turns only unless specified.)

This question was previously asked in
RRB ALP 2025 CBT 2 Wiremen Question Paper (28-Jul-2026) (Shift 2)
The correct answer is
West

Direction Analysis of Chahak's Walk

To determine the direction from the final point B back to the starting point A, we can track Chahak's movement using coordinates. Assume Point A is the origin (0, 0).

Chahak's Movement Tracking

  • Starts at A: Position (0, 0).
  • Walks 6m South: Position becomes (0, -6). Facing South.
  • Turns Left (now facing East), walks 5m: Position becomes (5, -6). Facing East.
  • Turns Left (now facing North), walks 9m: Position becomes (5, -6 + 9) = (5, 3). Facing North.
  • Turns Left (now facing West), walks 2m: Position becomes (5 - 2, 3) = (3, 3). Facing West.
  • Turns Left (now facing South), walks 3m: Position becomes (3, 3 - 3) = (3, 0). This is Point B. Facing South.

Direction from B to A Calculation

Point A is at coordinates (0, 0).

Point B is at coordinates (3, 0).

To travel from Point B (3, 0) back to Point A (0, 0), we calculate the displacement vector:

  • Change in x-coordinate (East/West): \(x_A - x_B = 0 - 3 = -3\)
  • Change in y-coordinate (North/South): \(y_A - y_B = 0 - 0 = 0\)

The displacement vector from B to A is (-3, 0).

Direction from B to A

A change of \(-3\) in the x-coordinate signifies movement along the negative x-axis.

A change of \(0\) in the y-coordinate signifies no movement along the y-axis.

In standard conventions, the negative x-axis corresponds to the West direction.

Therefore, Chahak must walk West from point B to reach point A.

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Similar Questions

  1. Johny starts from Point A and drives 6 km towards the North. He then takes a right turn, drives 17 km, turns right and drives 13 km. He then takes a right turn and drives 8 km. He takes a final right turn, drives 7 km and stops at Point P. How far (shortest distance) and towards which direction should he drive to reach Point A again? (All turns are 90 degrees turns only unless specified.)
  2. A taxi travels 7 km south, then turns towards the east and travels 5 km, then turns towards the north and travels 7 km and then turns to its left and travels 2 km. What is the location of the taxi now with respect to its starting position?
  3. Two fielders, I and J, start from the same point on a ground. I runs 20 m north and then turns towards the east and runs 35 m. He then turns to his right and runs 15 m. Meanwhile, J runs 30 m north and then turns right and runs 35 m. Where is J now with respect to I?
  4. A man walks 6 km towards north and turns left and walks 2 kms towards West. If he has started from point Z and reached point A, then what is the shortest distance between point Z and A.
  5. A village girl walks 3 km east starting from her home in search of water. She then turns south and walks 2 km, then she turns east and walks 7 km, then she turns to her left and walks 2 km. Where is her home with respect to her position now?
  6. Two village women M and N start walking from the same point. M walks 4 km west, then turns left and walks 2 km. Meanwhile N walks 6 km south, then turns west and walks 4 km, then turns left and walks 1 km. Where is N with respect to M?
  7. Two fielders, I and J, start from the same point on a ground. I runs 20 m north and then turns towards the east and runs 35 m. He then turns to his right and runs 15 m. Meanwhile, J runs 30 m north and then turns right and runs 35 m. Where is J now with respect to I?
  8. A man starts from ‘O’, travels 20 km towards East to reach point ‘A’, turns right and travels 10 km to reach point ‘B’, turns right and travels 9 km to reach point ‘C’, turns right and travels 5 km to reach point ‘D’, turns left and travels 11 km and stops for some time and travels 1 km to reach point ‘E’ and then turns right and travels 6 km to reach point ‘F’.
    What is the shortest distance between point ‘A’ and point ‘D’?

  9. In the morning X and Y are walking towards each other in a park. When they meet, Y's shadow' falls upon X. In which direction was X facing?

  10. Two workers K and L start walking from the same point. K walks 5 km North, then turns right and walks 2 km. Meanwhile, L walks 3 km West, then turns South and walks 4 km. Finally L turns left and walks 5 km. Where is K with respect to L?


Important Questions from Direction and Distance

  1. Johny starts from Point A and drives 6 km towards the North. He then takes a right turn, drives 17 km, turns right and drives 13 km. He then takes a right turn and drives 8 km. He takes a final right turn, drives 7 km and stops at Point P. How far (shortest distance) and towards which direction should he drive to reach Point A again? (All turns are 90 degrees turns only unless specified.)
  2. Town Q is to the east of Town P. Town R is to the south of Town Q. Town S is to the east of Town R. Town T is to the south of Town S. Town U is to the east of Town T. What is the position of Town U with respect to Town Q?
  3. Binoy starts from Point Y and drives 16 km towards the north. He then takes a right turn and drives 43 km, then turns right and drives 38 km. He then takes a right turn and drives 19 km. He takes a final right turn, drives 22 km and stops at Point Z. How far (shortest distance) and in which direction should he drive in order to reach Point Y again? (All turns are 90-degree turns only unless specified.)
  4. Himank starts from Point A and drives 13 km towards West. He then takes a left turn, drives 3 km, turns left and drives 16 km. He then takes a left turn and drives 6 km. He takes a final left turn, drives 3 km and stops at Point P. How far (shortest distance) and towards which direction should he drive in order to reach Point A again? (All turns are 90° turns only unless specified.)
  5. Shyam starts from Point A and drives 12 km towards east. He then takes a right turn,
    drives 7 km, turns right and drives 5 km. He then takes a left turn and drives 9 km. He
    takes a final right turn, drives 7 km and stops at Point P. How far (shortest distance) and
    towards which direction should he drive in order to reach Point A again? (All turns are
    $90^{\circ}$ turns only unless specified.)
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