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SSC CGL / CHSL

SSC CGL & CHSL MCQ questions — Quantitative Aptitude, English, Reasoning, General Knowledge.

822 Q 4 Subjects 10th / Graduate

Difficulty: All Easy Medium Hard 821–822 of 822

Subjects in SSC CGL / CHSL

All Quantitative Aptitude 1,106 English Language 545 Reasoning Ability 202 General Knowledge 439

Q.821 Easy Reasoning Ability

Amit starts walking from point A towards North. After walking 10 km, he turns right and walks 5 km. Then he turns left and walks 8 km. Finally, he turns right and walks 3 km to reach point B. In which direction is point B with respect to point A?

A North-East

B East

C South-East

D North-West

Correct Answer: A. North-East

EXPLANATION

Tracking Amit's movements: Starting North, he goes 10 km North; turns right (East) and walks 5 km; turns left (North) and walks 8 km; turns right (East) and walks 3 km.

His net displacement is 8 km North and 8 km East (5+3), placing point B in the North-East direction from point A.

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Q.822 Easy Reasoning Ability

A person is standing at the origin of a coordinate system. He walks 5 km South, then 12 km West, then 9 km North, and finally 7 km East. At which direction is he now with respect to his starting point?

A South-West

B North-West

C South-East

D North-East

Correct Answer: A. South-West

EXPLANATION

Step 1: Track the North-South displacement

Starting at origin (0, 0), walking 5 km South gives position (0, -5), then 9 km North gives displacement of -5 + 9 = 4 km North.

\text{Net North-South} = -5 + 9 = 4 \text{ km North}

Step 2: Track the East-West displacement

Walking 12 km West gives position (-12, 4), then 7 km East gives displacement of -12 + 7 = -5 km (or 5 km West).

\text{Net East-West} = -12 + 7 = -5 \text{ km (5 km West)}

Step 3: Determine final position and direction

The final position is 5 km West and 4 km North of the starting point. Since the person is West and North of the origin, the direction is North-West.

\text{Final position} = (-5, 4) \text{ km}

The person is now in the North-West direction with respect to the starting point, not South-West as given in option A. However, if the answer key states South-West, there may be an error in either the problem statement or the provided answer.

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