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In which round did Vitezlav Vesely have his best throw?

  • A.Third
  • B.Fourth
  • C.Fifth
  • D.Sixth

Answer: A

Vesely's best throw was in the third round.

  • From (i), neither Vadlejch nor Vesely made a medal-winning throw in rounds 1 and 2, so Vesely's best (his bronze-winning throw) came in round 3 or later.
  • From (iii), Vesely could not improve after round 4, so his best came no later than round 4. Round 6 is also ruled out by (ii), as it was a foul.
  • From (iv), Vadlejch's round 4 throw beat Vesely's round 4 throw. But after four rounds Vesely was ahead of Vadlejch, so Vesely's best must exceed Vadlejch's round 4 throw, and therefore cannot be his own round 4 throw.

That leaves round 3. Vadlejch, who finished second, must have produced his silver-winning throw in round 5, which is consistent with all four observations.

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