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Each time you visit the NRICH site there will be some activities which are 'live'. This means we are inviting students to send us solutions, and we will publish a selection of them, along with each student's name and their school, a few weeks later. If you'd like to know more about what we're looking for, read this short article.
The last day for sending us solutions to these live problems is Thursday 11th July 2024.
Can you explain the strategy for winning this game with any target?
Can you do a little mathematical detective work to figure out which number has been wiped out?