Question 8
There are four cards with digits 0, 1, 2 and 3 written on each of them. Choose
three different cards and arrange them to form all possible three-digit numbers,
where 0 is not allowed be leading digit. What is the sum of all those three-digit
numbers that are odd?
three different cards and arrange them to form all possible three-digit numbers,
where 0 is not allowed be leading digit. What is the sum of all those three-digit
numbers that are odd?