SOLUTION: How many three digit odd numbers can be formed by using the digits 4,5,6,7,8,9 if (i) the repetition of digits is not allowed? (ii) the repetition of digits is allowed?

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Question 662238: How many three digit odd numbers can be formed by using the digits 4,5,6,7,8,9 if
(i) the repetition of digits is not allowed?
(ii) the repetition of digits is allowed?

Answer by lynnlo(4176) About Me  (Show Source):