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A pack of cards contains 4 aces, 4 kings...

A pack of cards contains 4 aces, 4 kings, 4 queens and 4 jacks. Two cards are drawn t random. the probability that at least one of them is an ace is a. 1/5            b. 3/16            c. 9/20          d. 1/9

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Total cases` = 16_(C_2)` The probability that at least one of them is ace =
1-Probability of getting no ace
`= 1- (12_(C_2))/((16)_(C_2))`
`= 1- (66/120)`
...
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