Question

The integers 1, 2, 3, ..., 9 are
written on individual slips of
paper and all are put into a hat.
'A' choose a slip at random,
notes the integer on it, and
replaces it in the hat. 'B' then
picks a slip at random and notes
the integer written on it. 'C' then
adds up 'A' and 'B' numbers.
Which digit is most likely to be
the units digit of this sum?​

Answer 1

Answer:

zero as they have units digit in the question.