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:
- 15 km
- 18 km
- 12 km
- 16 km
Sol:
The movement of the person are as shown in fig.
Clearly AB = 3 km
