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    				| 1. | 
                                    Find the number of six digit number between 700000 and 800000 such that the first digit is equal to the sum of the other five digits. | 
                            
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Answer» Solution :u+v+W+x+y=7, where u,v,w,x,y ` ge`0 USING begger's method :-`""^(11)C_(4)=330`  | 
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