Not all characters in the Woodentops series tell the truth. When Mr Plod asked them, “How many people are there in the Woodentops family?”, four of them replied as follows:
Jenny: “An even number.”Willie: “An odd number.”Sam: “A prime number.” Mrs Scrubitt: “A number which is the product of two integers greater than one.”
How many of these four were telling the truth?
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1
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4
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Intermediate Mathematical Challenge 2014 (2014)
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