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Terri’s transport brainteaser Brainteaser

by David, 4 April 2018 | 0 comments

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Terri’s just about to leave to go to a party. She’s trying to work out whether to walk or ride her bike. If she walks at a brisk pace of 5 kilometres per hour, she’ll be an hour late. If she rides her bike at 10 kilometres per hour, she’ll be an hour early! How…

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