 
			 
			MCQOPTIONS
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				| 1. | According to the International Civil Aviation Organisation (I.C.A.O.), the runway lengths of aerodromes, have been coded by | 
| A. | Seven English alphabets | 
| B. | Last Seven English alphabets | 
| C. | First Seven English alphabets | 
| D. | First seven natural numbers. | 
| Answer» D. First seven natural numbers. | |