If a4b5c is exactly divisible by 9, then find the least value of (a+b+c).
 

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Please find below the solution to the asked query :

If a4b5c  is divisible by 9 , then sum of its digit is also divisible by 9 .a+4+b+5+c=9+a+b+cSo , a+b+c=9 .
 
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