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number of 9 digit numbers divisible by 9 formed by using the digits from 0to9, if each digit used atmost is k*8!. what is the value of k? number of 9 digit numbers divisible by 9 formed by using the digits from 0to9, if each digit used atmost is k*8!. what is the value of k?
number of 9 digit numbers divisible by 9 formed by using the digits from 0to9, if each digit used atmost is k*8!. what is the value of k?
The no. is divisible by 9 only if the sum of digits is multiple of 9. 987654321 - 9! 87654321 - 8*8! Total no.=17*8!
The no. is divisible by 9 only if the sum of digits is multiple of 9.
987654321 - 9!
87654321 - 8*8!
Total no.=17*8!
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