1. The document discusses screening tests for selection as an officer through the NDA examination.
2. In 2016, 380,000 candidates applied for the NDA exam, with 350,000 appearing and 5,800 clearing the written test. Only 382 candidates ultimately joined the NDA, showing screening out of over 50% at the first stage and a selection rate of only 0.0109% of original applicants.
3. The screening test, consisting of an IQ test and picture perception and description test, is the main challenge after clearing the written exam, with over 50% failing at this first stage of the selection process. Thorough preparation and practice for this screening test is recommended.