CDS 1 2021 Maths Analysis: Trishul Defence Academy has released the official CDS 1 2021 Analysis for Maths Paper. CDS 1 2021 Exam was held on 7 February 2021 and since then the candidates were eagerly waiting for the answer key and paper analysis. So finally the wait is over and hence we are going to provide CDS 1 2021 Maths analysis and answer key. If we go through topic wise questions then we can find that the algebra topic had most questions, for example, 19 questions out of 100 questions that is approx. 19% of the paper, remembering a