Mathematics for IGCSE & O level - Probability (Section 4 - No. 20)
What is the probability of drawing a black card (club or spade) from a standard deck of 52 playing cards?
1/2
1/4
1/13
1/26
解释
There are 26 black cards (clubs and spades) in a deck of 52 cards. 26/52 = 1/2.