A card is drawn at random from a standard $52$-card deck. What is the probability that it is an odd number ($3,$ $5,$ $7,$ $9$) or a face card (jack, queen king)
There are 16 odd cards and 12 face cards
The probability is [ 16 + 12 ] / 52 = 28 / 52 = 7 / 13
