The commonly used squares in the method of a square is:
(a) 10m x 10m to 5m x 5m
(b) 10m x 10m to 15m x 15m
(c) 5m x 5m to 20m x 20m
(d) 5m x 5m to 10m x 15m
The question was posed to me during an online interview.
Asked question is from Contouring topic in portion Basic Surveying of Basic Civil Engineering