canadiananalyst

A lot. Probably 1.5-2 full exams spread across the six books. That would be 360-480 questions.
Unfortunately, they are not precisely proportional to the weights on the exam. In other words, although you occasionally see 1-2 technical analysis questions in quant, there’s over 25 at the end of the reading. But this should not worry you. Just do them all.
I would advise you to complete them right after you finish a reading, as a quick test before moving on to the next topic.