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Thirty two players ranked 1 to 32 are pl...

Thirty two players ranked 1 to 32 are playing is a knockout tournament. Assume that in every match between any two players, the better ranked player wins the probability that ranked 1 and ranked 2 players are winner and runner up, respectively, is `16//31` b. `1//2` c. `17//31` d. none of these

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The correct Answer is:
16/31
For ranked 1 and 2 players to be winners and runners up, respectively, they should not be paired with each other in any round.
`impliesp=30/31xx14/15xx6/7xx2/3=16/31`
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