Problem of the Week (10)
You have ten bags – each bag has ten coins (weighing 1g each), however, one bag contains fake coins (weighing…
Problem of the Week (9)
The Mutilated Chessboard: We take a standard 8×8 chessboard, with 64 squares. Is it possible to cover this completely (tile…
Problem of the Week (8)
AN OLD RIDDLE runs as follows. An explorer walks one mile due south, turns and walks one mile due east,…
Problem of the Week (7)
A monk climbs a mountain. He starts at 8AM and reaches the summit at noon. He spends the night on…
Problem of the Week (6)
There are three on/off switches on the ground floor of a building. Only one operates a single lightbulb on the…
Problem of the Week (5)
Divide the following region into 4 congruent shapes (the shape is created by joining 3 congruent squares) (Credits to IMOmath)…
Problem of the Week (4)
Divide the region shown into 4 congruent pieces. (Credits to IMOmath) Email your answer to Paris Suksmith/Aarit Bhattacharya/Zach Marinov. Good…
Problem of the Week (3)
Two ropes are coated in oil and can be burnt. Each rope takes exactly one hour to fully burn, but…
Problem of The Week (2)
In the following diagram, a circle is enclosed by a square which is enclosed by a large circle. An isosceles…
Problem of The Week: Answers
No. 8: Discussion: If you think about it, you try some places, and quickly realize that nothing ‘normal’ works, and…