1
NDA 2018 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
If the second term of a GP is 2 and the sum of its infinite terms is 8, then the GP is
2
NDA 2018 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
If a, b, c are in AP or GP or HP, then $${{a - b} \over {b - c}}$$ is equal to
3
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
4
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?
Questions Asked from Sequence And Series (Marks 2.5)
Number in Brackets after Paper Indicates No. of Questions
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