Adeck of cards is shuffled. what is the chance that the top card is the king of spades and the bottom card

After shuffling a deck of cards in order to know the probability of the king of spades being the top card, you have to first know how many cards are in the deck. If the card is a full deck with no jokers, then the probability is 1/52. This is also the probability that the bottom card is the King of spades.

10 tiles, because if you convert the row to all inches it would be 50 inches, then divide that my how long the tiles are (5) you would get 10.