11) Which indirect method of contouring is suitable for long and narrow strips of land?

12) Which method is suitable for the contouring of hilly areas?

13) Tacheometric method of contouring the representative points are located by taking the staff readings of the wire in?

14) Which method of contouring is most accurate but slow and tedious?

15) Which method of interpolation is rapid, approximate result and used for small scale map?