There are 13 different face values, 4 of each.
There are 4 different suits, 13 of each.
Each card is a unique combination of face value and suit.
Also, there are face cards (jack, queen, king, and sometimes ace), and number cards, and sometimes aces are considered by themselves.
A standard deck of Uno cards contains 108 cards.
There are 52 cards in a deck of cards.
52!
If the cards are all different then there are 13C7 = 1716 different hands.
There are 52 cards in a playing deck.
There are four nines in a deck of cards.
In a normal deck there are 39 such cards.
13 diamons are in a deck of cards
In a standard deck of playing cards, there are 26 red cards.
There are 65,780 ways.
There are two red aces in a deck of cards.
There are four 2s in a deck of cards.