There were 16 runners in the 800m final on Sports Day. I missed the finish so I asked six of my friends to tell me the number of the winner.
These were their answers:
It was evenIt was oddIt was primeIt was a square numberIt had two digitsIt was between 6 and 14
Only FOUR of my friends had told the truth. Which number was the winner?
Select one option, then click Submit.
5
9
11
12
16
Select an option, then submit.
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Primary Mathematics Challenge 2004 (2004)
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