I recently bought the GL assessment publications - "the 11+explained" - VR and NVR. Buried in there is a comment that the GL assessment practice papers....... are in general easier, easier than the real papers they set for the real exams - a higher proportion of easy and medium questions it says, and fewer hard ones.
Well spotted, we have that book and I didn't see that. Would take with a pinch of salt, they also say they cover all the question types?
This week have been using GL NVR papers 5-8 and they look tough. Maybe it varies by area, we are preparing for standard format VR 100 questions in 50 mins and NVR in timed sections.
Over the past few years I've seen a cycle of parents asking for harder questions (I'm guilty too!) and so publishers provide them, I'm of the opinion that speed, accuracy and keeping calm are as important as jumping through higher hoops.