In a deck of 52 cards, the number of face cards present are 12.
The number of non-face cards would be obtained by subtracting the number of face cards from the total number of cards.
Number of non-face cards
=Total number of cards
−Number of face cards
Number of non-face cards=52−12
Number of non-face cards=40
The number of non-face cards are present in a deck of 52 cards are 40.