NDA Mathematics Question Paper (September 06, 2020); Download PDF
NDA 2020 Mathematics Previous Year Paper for the exam held on September 6, 2020, provides a comprehensive set of questions designed to assess the mathematical aptitude required for candidates aspiring to join the National Defence Academy. The paper consists of 120 questions covering various topics in mathematics, such as algebra, geometry, trigonometry, calculus, and more. It serves as a valuable resource for candidates preparing for future NDA exams, offering insights into the question format and the level of difficulty typically encountered. Solving this paper can help enhance problem-solving skills and time management for candidates aiming to excel in the NDA selection process.
NDA 2020 Mathematics Previous Year Paper (06-Sep-2020)
Q1.
Directions: Consider the following Venn diagram, where X, Y and Z are three sets. Let the number of elements in Z be denoted by n(Z). which is equal to 90.
If the number of elements in Y and Z are in the ratio 4 : 5, then what is the value of b?
Q2.
Directions: Consider the following Venn diagram, where X, Y and Z are three sets. Let the number of elements in Z be denoted by n(Z). which is equal to 90.
What is the value of n(X) + n(Y) + n(Z) - n(X ∩ Y) - n(Y ∩ Z) - n(X ∩ Z) + n(X ∩ Y ∩ Z)?
Q3.
Directions: Consider the following Venn diagram, where X, Y and Z are three sets. Let the number of elements in Z be denoted by n(Z). which is equal to 90.
If the number of elements belonging to neither X, nor Y, nor Z is equal to p, then what is the number of elements in the complement of X?
