Devin and Tej are playing cards. Devin draws a card, replaces it and then shuffles the pack. Tej then draws a card. Find the probability that:
a) both draw an ace
b) both draw the king of hearts
c) Devin draws a spade and Tej draws a queen
d) exactly one of the cards drawn is heart
e) both cards are red or both cards are black
f) the cards are different colours