Pierre said, “Just one of us is telling the truth”. Qadr said, “What Pierre says is not true”. Ratna said, “What Qadr says is not true”. Sven said, “What Ratna says is not true”. Tanya said, “What Sven says is not true”.
How many of them were telling the truth?
Select one option, then click Submit.
0
1
2
3
4
Select an option, then submit.
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Senior Mathematical Challenge 2012 (2012)
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