Concept of set, operations on sets, Venn diagrams, De Morgan laws, Cartesian product, relation, equivalence relation. Representation of real numbers on a line. Complex numbers—basic properties, ...

So, to enhance your chances of clearing the UPSC NDA 2021 Exam we have prepared Mock tests based on the latest exam pattern and Syllabus. Here you can attempt all the mock tests for free and can also ...

UPSC NDA & NA (2) 2025 Exam Schedule: The National Defence Academy (NDA) and Naval Academy (NA) comprehensive test schedule has been formally released by the Union Public Service Commission (UPSC) on ...

Bengaluru-headquartered edtech startup Unacademy on Thursday (September 25) acquired a Union Public Service Commission (UPSC) test preparation platform Coursavy for an undisclosed amount. With the ...