The probability that a card drawn from a pack of 52 cards will be a spade or a queen, is
Answer & explanation
Correct answer: option 2
The correct answer is Option (2) → 4/13
There are 13 spades and 4 queens in the pack, but the queen of spades is counted in both. By the addition rule, P(spade or queen) = 13/52 + 4/52 − 1/52 = 16/52.
Reducing the fraction gives 4/13.