NDA 2 2022 Maths Answer Key For All Set (A, B, C, D) The National Defense Academy Exam (NDA) is used by the Army, Navy, and Air Force to recruit soldiers, sailors, and airmen. Approximately 5 lakh people apply for the exam each year. The UPSC NDA 2 2022 Exam has been scheduled for September 4, 2022, by the Union Public Service Commission. The NDA exam will be divided into two parts in 2022: a written exam and an SSB interview. There are two portions to the written portion of the NDA 2 2022 Maths Answer Key: math and general