Number of 9 digit numbers divisible by 9 no repetition
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I know two answers I.e
(1) 7,8,6,4,1,2,3,5,9
(or)
(2)Divisibility rule for 9 is
"sum of the digits of a given number is divisible by 9, then the entire number is exactly divisible by 9".
(1) 7,8,6,4,1,2,3,5,9
(or)
(2)Divisibility rule for 9 is
"sum of the digits of a given number is divisible by 9, then the entire number is exactly divisible by 9".
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