GATE 2012 (8), On a Photo scale of 1:40,000 a square shaped open cast coal mine of 1 km2 area would have an area of ___ cm2.
8) On a Photo scale of 1:40,000 a square shaped open cast coal mine of 1 km 2 area would have an area of ___ cm 2 . (Thanks to Chandrasekhar, ANU) Solution: Given that the scale 1:40,000 …