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Australian AMC 2017 - Intermediate Question 2

AMC AUSTRALIA · Australian AMC 2017 - Intermediate

Question 2

Eight children in a swimming race are John, Iain, Hans, Ivan, Giovanni, Beth, Liz and Elisa. They are put in lanes 1 to 8 randomly. What is the probability that Beth, Liz or Elisa is in lane 1?

Question illustration
  1. 3/8
  2. 1/2
  3. 3/5
  4. 5/3
  5. 1/3