50 items
Fast diagnostic
Enough to see whether Domain 1, 2, or calculations are the hole.

Diagnostic sitting
Start with the Free 10-question timed mock preview, or choose a 50- or 100-item diagnostic when your plan allows it. Longer diagnostics use original items and a seven-domain report to guide your next lesson.
50 items
Enough to see whether Domain 1, 2, or calculations are the hole.
100 items
Better domain resolution before you lock a 16–24 week plan.
200 items
Use the CBT mock when you need seat-time and flag/review, not a first score.