5 digits

You have the following digits: 9, 8, 0, 1, 5. Write the smallest, even five-digit number if one digit is repeated three times and the other digits are not repeated. The digit sum of the number is: a) 9 b) 6 c) 8 d) 23

Correct answer:

n =  10008
c =  9

Step-by-step explanation:

$n=10008$

$c=1+0+0+0+8=9$

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