A card is drawn from a well shuffled deck of cards
(i) What are the odds in favour of getting spade? (Ans: 1:3, 3:1, 3:10, 1:25)
(ii) What are the odds against getting a spade?
(iii) What are the odds in favour of getting a face card?
(iv) What are the odds in favour of getting a red king
Ans: Total cards 52
Spade = 13
Remaining cards 39
i) The odds in favour of getting spade 13
The odds is not in favour of getting spade 39
= 13/52 : 39/52 = 1 : 3
ii) The odds against getting a spade 39
The odds not against getting a spade 13
= 39/52 : 13/52
= 3 : 1
iii) The odds in favour of getting a face card 12
The odds not in favour of getting a face card 40
= 12/52 : 40/52 = 3 :10
iv) The odds in favour of getting a red king 2
The odds not in favour of getting a red king 50
= 2/52 : 50/52
= 1 : 25