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Brainteasers

Four runners and five clues

logic-griddeductionordering

Runners A, B, C and D finish a race with no ties.

  1. A finished ahead of B.
  2. C was not last.
  3. D finished immediately after A.
  4. B was not third.
  5. C was not first.

In what order did they finish?

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Clue 3 makes A and D a consecutive block. Try each possible position for that block and use the other clues to rule out all but one.

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