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Sunday 1 October 2023 Dublin: 16°C

# brainteaser

Last year
2022
Maths Week: Your Friday puzzle
And get the answer to Thursday’s magic trick!
Maths Week: Your Thursday puzzle
Day 6 – and this is a tough one. Follow the instructions closely.
Maths Week: Your Wednesday puzzle
Learn about the importance of Jan Łukasiewicz and his connection to Ireland.
Maths Week: Your Tuesday puzzle
Fancy a mathematics challenge?
Maths Week: Your Monday puzzle
Fancy a mathematics challenge?
Maths Week: Your Saturday puzzle
Fancy a mathematics challenge?
All time
Maths Week: The answer to your Sunday puzzle
Fancy another mathematics challenge? (And get the answer to yesterday’s puzzle.)
Maths Week: Your Sunday puzzle
Fancy another mathematics challenge? (And get the answer to yesterday’s puzzle.)
Maths Week: Your Saturday puzzle
Fancy another mathematics challenge? (And get the answer to yesterday’s puzzle.)
Maths Week: Your Friday puzzle
Fancy another mathematics challenge? (And get the answer to yesterday’s puzzle.)
Maths Week: Your Thursday puzzle
Fancy another mathematics challenge? (And get the answer to yesterday’s puzzle.)
Maths Week: Your Wednesday puzzle
Fancy another mathematics challenge? (And get the answer to yesterday’s puzzle.)
Maths Week: Your Tuesday puzzle
Fancy a mathematics challenge? (And get the answer to yesterday’s puzzle.)
Science Week: The answers so you can enjoy your Friday night
Have you been taking part in our Brainteaser series? See how many you’ve got right.
Science Week: A question to tease your brain on a Thursday night
How smart are you?
Science Week: A question to tease your brain on a Wednesday night
How smart are you?
Science Week: A question to tease your brain on a Tuesday night
How smart are you?
Science Week: A question to tease your brain on a Monday night
How smart are you?
Maths Week: Tuesday's puzzle of the day
We’re setting you a little brainteaser each day this week to highlight a drive to improve the country’s numeracy skills.
Maths Week: Monday's puzzle of the day
We’re setting you a little brainteaser each day this week to highlight a drive to improve the country’s numeracy skills.
A simple logic question that most Harvard students get wrong
Will you get it right?