The numbers which are multiple of 3 in 52 playing cards are 3, 6 & 9 i.e cards of each denomination
∴ All cards whose numbers are multiples of 3 are = 4 × 3 = 12 cards.
[Jack, queen & king of each denomination]
Remaining cards = 52 – 12 = 40.
Now, No. of face cards = 12
(i) P (face card) = 12/40 =3/10
Again, even numbered cards are 2, 4, 6, 8 and 10 each of heart (red) & Diamond (red)
∴ Total even numbered red card = 5 × 2 = 10
(ii) P (even numbered red card) = 10/40 = 1/4