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All the face cards are removed from the pack of 52 cards and a card is drawn at random from the remaining cards. Find the probability that the card so drawn is
(i) a spade.
(ii) not an ace.
(i) a spade.
(ii) not an ace.
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Remaining cards = 52 - 12 = 40
(i) $P (a \text{ spade}) = \frac{10}{40}$ or $\frac{1}{4}$
(ii) $P (\text{not an ace}) = \frac{36}{40}$ or $\frac{9}{10}$
(i) $P (a \text{ spade}) = \frac{10}{40}$ or $\frac{1}{4}$
(ii) $P (\text{not an ace}) = \frac{36}{40}$ or $\frac{9}{10}$