14 feet
12 feet
13 feet
None of these
Answer is Right!
Answer is Wrong!
The correct answer is: A. 14 feet
The minimum distance from centre to centre of track in BG is 14 feet. This is the standard gauge for railways in India. The gauge is the distance between the inside edges of the rails. The standard gauge is used in most countries around the world.
Option B: 12 feet is not the correct answer because it is less than the minimum distance required for a standard gauge railway.
Option C: 13 feet is not the correct answer because it is not a standard gauge for railways.
Option D: None of these is not the correct answer because it is not a valid option.