Shalu started from point A and traveled towards north for 16 km to reach point D.

After reaching point D she turned towards her right and travelled for 12 km to reach point K.

From point K, she travelled 10 km towards south direction and reached point E.

If Shalu had travelled towards north for 6 km from point K she would have reached point J.

Point Q is to the North of point J and 20 km away from D which is the shortest distance from point D.
From point E, she travelled 6 km towards west then she took a left turn and travelled certain distance to reach point S.