Problem of the Week
Challenge your brain with our weekly puzzle. Solve it, submit your answer, and compete for amazing prizes!
New Challenge Every MondayWeek of Mar 3-Mar 9, 2025
11+ LogicEasy
The Calendar Puzzle
If today is Monday, what day will it be 100 days from now?
Hint:
There are 7 days in a week. What is 100 ÷ 7?
Winner gets a £10 Amazon voucher
Submit your answer by Friday midnight to enter
How It Works
New Challenge Monday
Every Monday, we post a new brain-teaser for you to solve
Solve & Submit
Work on the problem and submit your answer by Friday
Win Prizes
First correct answer wins! We announce winners on Saturday
Recent Winners 🎉
Sarah M.
The Palindrome Puzzle
Week of Dec 9-15
James K.
Prime Time Challenge
Week of Dec 2-8
Emma L.
Shape Shifter
Week of Nov 25-Dec 1
Want More Challenges?
Try our interactive quizzes and practice questions for 11+, GCSE, and more!