Maths Section of NDA Exam is not that difficult if compared to other competitive exams. The question are asked from Class 10th , 11th and 12th topics which are easy, basic and based on concepts.
Topics from which questions comes are -
- Matrices and determinant
- Co-Ordinate Geometry
- Calculus (Integral and Differentiation)
Pay attention on NCERT books of Class 12th, it is enough to score good in Maths section of NDa Exam.
Click at this link to know more - https://competition.careers360.com/exams/nda
Hope this was helpful.