A card is to be chosen at random from a shuffled deck. Find the probability the card drawn is

A. The queen of clubs , given that it is an honor card
B. a red four, given that the face number is even
C. A seven, given that the face number is prime

Please help me, thanks :)

A. There is only one queen of clubs, 1/52.

B. There are two red fours, 2/52.

C. There are four sevens, 4/52.