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

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

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. The shortest distance between the starting point and the destination is:

  1. 15 km
  2. 18 km
  3. 12 km
  4. 16 km

Sol:

The movement of the person are as shown in fig.

Clearly AB = 3 km

Reasoning
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