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Q.

A card is drawn from a pack of 52 cards. A gambler bets that it is a spade or an ace. What are the odds against his winning this bet?

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a

17:52

b

52:17

c

9:4

d

4:9

answer is C.

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Detailed Solution

The Probability of the card being a spade or an ace is 1652=413.

 Hence, odds in favour are 4 : 9.

So that odds against his winning are 9 : 4. 

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