Q. Two cards are drawn at random from a pack of 52 cards. What is the probability that either both are red or both are Kings?
✅ Correct Answer: (A)
55/221
Explanation: Use inclusion-exclusion: (26C2 + 4C2 - 2C2)/52C2 = (325 + 6 - 1)/1326 = 330/1326 = 55/221.
Explanation by: Krishna Sharma
Use inclusion-exclusion: (26C2 + 4C2 - 2C2)/52C2 = (325 + 6 - 1)/1326 = 330/1326 = 55/221.