UGC NET Questions (Paper – 1)

Statements A, B, C and D represent correct principles for direction-sense reasoning. A is true since the four main directions are treated as perpendicular axes. B and C correctly describe standard right and left turns from given orientations. D is correct because many questions reduce movements to net north–south and east–west components, often using coordinate or vector-like thinking. E is false because “left of B” depends on B’s facing direction, not necessarily on the geographic west, so A, B, C and D only are correct.

Option A:
Option A is incomplete because although A, B and C are true, it omits D, which explains how to compute final displacement using perpendicular components, a key exam technique.

Option B:
Option B is incorrect as it includes E, which wrongly interprets “left” as fixed west, and thus mixes one false statement with true ones. This invalidates the combination.

Option C:
Option C is wrong since it drops A and includes only B, C and D, failing to mention the fundamental assumption about the four perpendicular directions that underlies most diagrams.

Option D:
Option D is correct because it collects all four true statements about directions and turning, while excluding E, which confuses relative and absolute positions. It matches how NET questions on direction sense are structured.

Statements A, B and C correctly summarise how turns work with respect to standard compass directions. Statement E is also true because path-tracing diagrams are a common method for solving such questions. Statement D is wrong, since marking the initial position is in fact a helpful and often necessary step to keep track of the path and final position. Therefore, the only wrong statement in the list is D, and the combination identifying D only is correct.

Option A:
Option A is correct as it singles out D, which incorrectly downplays the importance of the starting point, and it does not treat any of the true statements as wrong. It cleanly matches the requirement to mark the incorrect statement or statements.

Option B:
Option B is incorrect because it claims both B and D are wrong. However, B is a correct description of turning right from North, so this option misclassifies a true statement as wrong.

Option C:
Option C is wrong since it labels A and D as wrong; A is correct because East is indeed 90 degrees clockwise from North, so this combination again mixes one false and one true statement as if both were incorrect.

Option D:
Option D is also incorrect, as it puts both C and D in the wrong category; C accurately describes a 180-degree turn from South to North, so treating it as wrong makes this option invalid.

Starting from the origin, the person first moves 5 km north. Turning right from north leads to east, so they walk 3 km east. Turning right again from east points toward south, and walking 5 km south brings them back to the same north–south line as the starting point. Their final position is directly east of the start, at a distance of 3 km.

Option A:
Option A, 5 km East, would be correct if the eastward movement had been 5 km, but the question clearly states an eastward displacement of only 3 km. Therefore, this overestimates the actual horizontal separation.

Option B:
Option B accurately reflects that the northward and southward movements cancel each other out, leaving only the 3 km eastward shift. Thus, the net displacement is 3 km to the east of the starting point, which matches both the direction and distance required.

Option C:
Option C, 3 km West, reverses the direction of the actual displacement. Since the person walked east, not west, this option contradicts the described path.

Option D:
Option D, 5 km West, is doubly incorrect because it gives the wrong distance and direction relative to the origin. The person never moves west at all.

The movement forms a right-angled triangle with legs of 4 km east and 3 km north. The straight-line distance from the starting point to the final point is the hypotenuse of this triangle. By the Pythagoras theorem, the hypotenuse is √(4² + 3²) = √(16 + 9) = √25 = 5 km. So the person is 5 km away from the starting point.

Option A:
Option A uses the classic 3–4–5 right-angled triangle pattern, which fits perfectly with the given distances. Applying Pythagoras correctly yields 5 km, making this the exact displacement from the origin.

Option B:
Option B, 6 km, overestimates the distance and would not satisfy the squared relationship 4² + 3² = 5². It suggests a hypotenuse of √36 when the correct sum of squares is 25.

Option C:
Option C, 7 km, exaggerates the distance even more and is not supported by any computed combination of the given legs. It is much larger than the true hypotenuse.

Option D:
Option D, 4 km, simply repeats one leg of the triangle and ignores the northward movement, so it cannot represent the actual straight-line displacement.

Statements A and B correctly describe basic facts about directions and displacement, and D is true because right-triangle paths allow the use of Pythagoras theorem to compute straight-line distance. Statement C is false since turning right from north leads to east, not west, and E is false because direction sense can be interpreted through coordinate geometry and vector concepts, making it quite related. Therefore, the set A, B and D only is correct.

Option A:
Option A is incomplete as it omits D and thus misses the important connection between direction sense paths and right-triangle geometry, which is central in many distance questions.

Option B:
Option B is correct because it includes all three true statements and excludes C and E, both of which misstate directional relationships or conceptual links. It accurately reflects how NET-level direction questions combine basic orientation with simple geometry.

Option C:
Option C is wrong since it includes C, the incorrect turning rule, and leaves out A, failing to mention the fundamental opposition of cardinal directions. This combination is therefore not acceptable.

Option D:
Option D is incorrect because it includes C and excludes B, thereby mixing an incorrect turning direction with a partial description of displacement and Pythagorean use.