1
NDA 2018 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
If the ratio of AM and GM of two positive numbers a and b is 5 : 3, then a : b is equal to
2
NDA 2018 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
If $$x = 1 - y + {y^2} - {y^3}....$$ up to infinite terms, where $$\left| y \right| < 1$$, then which one of the following is correct?
3
NDA 2018 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
What is the sum of all two-digit numbers, which when divided by 3 leave 2 as the remainder?
4
NDA 2018 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
The third term of a GP is 3. What is the product of the first five terms?
Questions Asked from Sequence And Series (Marks 2.5)
Number in Brackets after Paper Indicates No. of Questions
NDA Mathematics 13 April 2025 (4)
NDA Mathematics 1st September 2024 (8)
NDA Mathematics 21 April 2024 (3)
NDA Mathematics 3 September 2023 (5)
NDA Mathematics 16 April 2023 (7)
NDA Mathematics 4 September 2022 (6)
NDA Mathematics 10 April 2022 (8)
NDA Mathematics 14 November 2021 (8)
NDA Mathematics 18 April 2021 (6)
NDA Subjects
Mathematics
Algebra
Sets, Relations and Functions Logarithms Quadratic Equations and Inequalities Sequence And Series Binomial Theorem Matrices Determinants Permutations and Combinations Probability Complex Numbers Vector Algebra Three Dimensional Geometry Statistics
Trigonometry
Trigonometric Angles and Equations Inverse Trigonometric Function Height and Distance Properties of Triangles
Coordinate Geometry
Calculus
English
General Studies