Math Nick Brown Math Nick Brown

Exercise of the Week #7

We’re back after a holiday hiatus, returning with some shapes.

Last Week’s Answers

Use the key to work out which lines must be added to the empty cells. If you got it correct, they should spell out ‘HAPPY EASTER’!

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Math Nick Brown Math Nick Brown

Exercise of the Week #4

Back to mathematics this week, as we look at a viral problem you might’ve encountered before.

Last Week’s Answers

Agnetha says she is a liar. It’s a bit of a paradox, but if you’re a liar, you can’t admit to it, because then you’d be telling the truth. Likewise, you can’t be a truth-teller and call yourself a liar.

However, Agnetha actually says: ‘Brillon and I are also liars’. This statement can be a lie if Brillon is a truth-teller.

As we know Brillon is a truth-teller, what Charlton says is true, making him a truth-teller too!

So:

Agnetha is a liar, and the others are both truth-tellers.

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