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Total number of all possible outcomes = 52. <br> (i) There are 13 cards of spades including one ace and there are 3 more aces. <br> So, the number of favourable cases = 13+3= 16. <br> `:. ` P(getting a card of spades or an ace ) ` = 16/52 = 4/13`. <br> (ii) There are 2 black kings. <br> `:. ` P(getting a black king) ` = 2/52 = 1/26`. <br> (iii) There are 4 jacks and 4 kings. <br> So, the number of cards which are neither jacks nor kings <br> ` = {52 - (4+4)} = 44`. <br> `:. ` P(getting a card which is neither a jack nor a king) ` = 44/52 = 11/13`. <br> (iv) There are 4 kings and 4 queens. <br> So, the number of cards which are either kings or queens <br> = 4+4= 8. <br> ` :. ` P(getting a card which is either a king or a queen) ` = 8/ 52 = 2/ 13`.