One card is drawn from a pack of 52 cards, each of the 52 cards being equally likely to be drawn. Find the probability that the card drawn is:
(i) an ace.
(ii) red.
(iii) either red or king. (iv) red and a king.
(v) a face card.
(vi) a red face card.
(vii) '2' of spades.
(viii) '10' of a black suit.