Skip to content / Đến nội dung
ThichHocToan.com

IMAS 2015 Junior Division — Round 1 Question 19

IMAS · IMAS 2015 Junior Division — Round 1

Question 19

In an election between four candidates, they are supported respectively by 11, 12, 13 and 14 of the first 50 voters. Six more votes are to be cast, each for one of the four candidates. In how many ways can the candidate currently with 13 supporters become the uncontested winner?
  1. 16
  2. 17
  3. 18
  4. 19
  5. 20