A person starts from a point A and travels 3 km eastwards to B and then turns left and travels thrice that distance to reach C. He again turns left and travels five times the distance he covered between A and B and reaches his destination D. How far is he from the starting point? MCQ with Answer and Explanation
A person starts from a point A and travels 3 km eastwards to B and then turns left and travels thrice that distance to reach C. He again turns left and travels five times the distance he covered between A and B and reaches his destination D. How far is he from the starting point?
A. 15 km
B. 18 km
C. 21 km
D. 12 km
Answer: Option A
Solution (By JKSSB Mock Tests)
A to B: 3 km East. B to C: 9 km North. C to D: 15 km West. From start: 15-3=12 km West and 9 km North. Distance = √(12²+9²)=15 km.
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