As far as I know there are 2^8=256 ways to answer 8 true/false questions.
If half are answered true I think there are 2^4=16 ways of answering the questions.
And if each consecutive answer is different there are just two ways, TFTFTFTF and FTFTFTFT.
Hope this helps and I hope my maths is right.
Shezter
Hi Bazza, As far as I know there are 2^8=256 ways to answer 8 true/false questions.If half are answered true I think there are 2^4=16 ways of answering the questions.And if each consecutive answer is different there are just two ways, TFTFTFTF and FT