Weight Problem

[Dee-M-See]

Eight Loaves all the same weight except one which is heavier, using balance scales what is the minimum number of weighings to pick out the heavy loaf every time

[burnhal]

three at a guess
weigh four against four.
Then two against two of the heavier four.
Then one against one of the heavier two

unless your scales will only wiegh one against one????

[Feedthegoat9]

Two weighings, starting with three against three.
If even, its one of the other two - check weigh.
If not, you have the heavier in one of the three.
Take two of these three and weigh - if level, its the third.
If not, take out the heavier.

[Dee-M-See]

Thank you for your answers two sounds good to me