Question 22
There are four cards with digits 0, 1, 2 and 3 written on them. Choose any three
cards and arrange them to form all possible three-digit numbers (where 0 is not
allowed to be the leading digit). What is the average of all possible three-digit
numbers that are odd?
cards and arrange them to form all possible three-digit numbers (where 0 is not
allowed to be the leading digit). What is the average of all possible three-digit
numbers that are odd?