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NMC CBT Scoring & Grading Policy Explained

Published: May 30, 2026 | By: cbtprep.co.uk

Understanding how the examiner scores your test is vital to planning your passing strategy. Many candidates achieve a high overall percentage but fail the test because they did not reach the required **NMC CBT pass mark** or tripped over the strict, non-negotiable passing rules. Let's deconstruct the grading algorithms and review essential **NMC CBT exam tips**.

1. Part A (Numeracy) Passing Rules

Part A contains 15 calculation questions. The overall passing threshold is 87%, which means you cannot get more than 2 questions wrong. A single mathematical decimal error on a weight-based dose can easily result in failing the section, so precision is key.

2. Part B (Clinical) Scoring Thresholds

Part B has 105 clinical items. The overall passing threshold is approximately 68%. However, safety-critical situational domains (such as elder safeguarding and standard clinical escalations) must be passed cleanly. Do not let a high clinical knowledge score mask sloppy ethical and safety judgment.