Question 391933


1.

 there are 4 kings ( 2 red, 2 black) ,26 red cards 

probability of both king or red cards =  4C2/52C2 + 26C2/52C2  - 2C2/52C2  




2. there are 12 face cards ( 6 red, 6 black), 26 black cards

probability of both face cards or black cards = 12C2/52C2 + 26C2/52C2 - 6C2/52C2