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General mental ability by Dr. R S Aggarwal – Direction sense test- East West North South.

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General mental ability by Dr. R S Aggarwal – Direction sense test- East West North South.

https://www.gyanodhan.com/video/5B1.%20Verbal%20Reasoning/245.%20General%20mental%20ability%20by%20Dr%20R%20S%20Aggarwal%20-%20Direction%20sense%20test-%20East%20West%20North%20South.mp4

Here’s a focused explanation and practice set based on “Direction Sense Test” from General Mental Ability by Dr. R.S. Aggarwal, specifically covering East-West-North-South logic:

Direction Sense Test – Basics

This topic tests your ability to trace and understand movement in terms of directions and calculate final positions.

Key Concepts:

  1. Main Directions:

    • North

    • South

    • East

    • West

  2. Intercardinal Directions:

    • North-East (NE), North-West (NW)

    • South-East (SE), South-West (SW)

  3. Turning Logic:

    • From North:

      • Left ➝ West, Right ➝ East

    • From East:

      • Left ➝ North, Right ➝ South

    • From South:

      • Left ➝ East, Right ➝ West

    • From West:

      • Left ➝ South, Right ➝ North

Example-Based Explanation:

Example 1:

A man walks 5 km North, then turns right and walks 3 km. He again turns right and walks 5 km. What direction is he facing now?

Solution:

Final direction = South

Example 2:

Ravi walked 10 meters towards East. Then he turned right and walked 5 meters. Then again he turned right and walked 10 meters. What is the direction he is facing now?

Solution:

Facing: West

Practice Questions:

Q1.

Sita walks 3 km towards North. Then she turns left and walks 4 km. Again she turns left and walks 3 km. How far is she from the starting point?

Options:
A) 4 km
B) 3 km
C) 7 km
D) 5 km

Answer: A) 4 km
(Forms a rectangle: 3 km North → 4 km West → 3 km South → distance from starting point = 4 km)

Q2.

A person walks 6 km towards South, then turns to his left and walks 8 km. What is the direction he is facing now?

Answer: East
(South → Left ➝ East)

Tips to Solve Quickly:

  1. Draw arrows for each movement.

  2. Track left/right turns logically.

  3. Use Pythagoras theorem if asked for distance.

  4. Memorize the 4-turn table for quick conversion.

From R.S. Aggarwal’s Book:

This topic is covered in:

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Let me know how you’d like to continue your prep!

General mental ability by Dr. R S Aggarwal – Direction sense test- East West North South.

Analytical Skills-I – DEPEA515

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