1
NDA 2015 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
What is the sum of n terms of the series $$\sqrt 2 + \sqrt 8 + \sqrt {18} + \sqrt {32} + ...$$?
2
NDA 2016 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
What is the greatest value of the positive integer n satisfying the condition?
$$1 + {1 \over 2} + {1 \over 4} + {1 \over 8} + .... + {1 \over {{2^{n - 1}}}} < 2 - {1 \over {1000}}$$
$$1 + {1 \over 2} + {1 \over 4} + {1 \over 8} + .... + {1 \over {{2^{n - 1}}}} < 2 - {1 \over {1000}}$$
3
NDA 2016 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
How many geometric progressions is/are possible containing 27, 8 and 12 as three of its/their terms?
4
NDA 2016 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
Read the following information carefully and answer the questions given below.
Let a, x, y, z, b be in AP, where x + y + z = 15. Let a, p, q, r, b be in HP, where p$$-$$1 + q$$-$$1 + r$$-$$1 = 5/3.
Let a, x, y, z, b be in AP, where x + y + z = 15. Let a, p, q, r, b be in HP, where p$$-$$1 + q$$-$$1 + r$$-$$1 = 5/3.
What is the value of ab?
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