| Number Magic |  | 
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	 	| Question : | 
	 
	 
	 		| What is Duo-Decimal System of numbers ? | 
 
	  
	 	| Answer :
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	 		| It is a system of numbers in which twelve is the base instead of ten. | 
	  
	 		| The word duodecimal comes from the Latin words for two and ten. | 
	  
	 		| For Example, | 
	  
	 		| In Duo Decimal System 24 would mean two 
			twelves plus four, which would be 28 in the decimal system. | 
	
	 		| Merchants use a duodecimal system when they count by the dozen or gross (12 dozen or 144). |