A card is drawn from a well-shuffled pack of 52 playing card. find the probability of getting red card, a king a card of spades

The probability of you pulling that card is a 1/52 chance. Every card is either black or red, can be an ace, 2,3,4,5,6,7,8,9,10, jack, queen, king, and it can be a spade, heart, diamond, or club. So, you have narrowed it down to just one card out of the 52 cards in the deck, therefore it is a 1/52 chance at getting that card.