## 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…

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