When a single card is drawn from a standard deck of cards, the odds are as follows.
a. a 10 - there are 4 tens in a deck of 52 cards, so the odds will be 4 / 52 = 1 in 13
that same figure will apply to drawing any other single card from a deck of 52 cards
b. in the case of an Ace, since there are 4 aces in 52 cards, the odds will be 4 / 52 = 1 in 13
in the case of any diamond, since there are 13 cards in each suit, the odds will be 13 / 52 = 1 in 4
