1
NDA 2019 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
The sum of (p + q) th and (p $$-$$ q)th terms of an AP is equal to
2
NDA 2019 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
What is the fourth term of an AP of n terms whos sum is n(n + 1)?
3
NDA Mathematics 14th September 2025
MCQ (Single Correct Answer)
+2.5
-0.833
If $p ^ x = q ^ y = r ^ z$ where x, y and z are in GP, then consider the following statements:
I. p, q and rare in AP.
II. In p, In q and Inrare in GP.
Which of the statements given above is/are correct?
4
NDA Mathematics 14th September 2025
MCQ (Single Correct Answer)
+2.5
-0.833
If and $ (10+\log _{10}x), (10+\log _{10}y)$ are $(10 + log_{10}z)$ in AP, then consider the following statements:
I. The GM of x and z is $y ^ 2$
II. The AM of $ \log _{10}x$ and $ \log _{10}z$ is $log_{10} y $
Which of the statements given above is/are correct?
NDA Subjects
Browse all chapters by subject
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