Add Pennsylvania to the list, somebody posted that its out.
Historically, Texas has been one of the first states to release. This time PCS states have beaten Texas hands down.
You are correct. Nos. of rebars will be always 1 more than the spaces. So if they provide 10 bars, the spacing will be 30-0.5 = 29.5'/9 = 3.28' o.c. which is > 3' and will not work. So I think correct answer is 11 bars with 10 equal spaces. The actual spacing in this case will end up being...
51/80 and still fail in construction is brutal. I scored 48/80 and failed in Civil/Construction, but I received my grade from TX which was 64%. 70% is considered passing for them, based on that you have scored 68% and missed by 1 question.