How many red which are even in a deck of 52 cards?

In a standard deck of 52 cards, there are 26 red cards. Out of these 26 red cards, there are 6 even red cards: 2 of hearts, 4 of hearts, 6 of hearts, 8 of hearts, 10 of hearts, and 2 of diamonds. Therefore, there are 6 red even cards in a deck of 52 cards.