September 1999

The first correct solution we received for Puzzle No 8 - The Gobbling Goat was this one from V. Shashidhar.

You can see the more detailed PASS Maths solution for a step-by-step explanation of how to tackle the problem.

The answer to the question is 115.8 metres.

It comes as a root to the equation

 (1)

where metres and is the length of the rope used to tie the goat.

The derivation is as follows (see figure):

This implies equation (1).