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Below are the first 5 questions from the UPSC NDA 2025 (NDA 1) Mathematics paper. Practice each question below, check your answers, and read the step-by-step explanations written by our subject matter experts.
If the sum of binomial coefficients in the expansion of (x + y)n is 256, then the greatest binomial coefficient occurs in which one of the following terms?
If k < ( 2+√1)3< 2+k, where k is a natural number, then what is the value of k?
then which one of the following is a value of x?
If A=
Where x, y and z are integers, is an orthogonal matrix, then what is the value of x2 + y2 + z2?
Consider the following in respect of a non- singular matrix M:
I. |M2| = |M|2
II. |M| = |M–1|
llI. |M| = |MT|
How many of the above are correct?
If f(q) =
then what is (f(p))2 equal to?
If A =
then what is A2 – 4A equal to?
If the number of selections of r as well as (n + r) things from 5n different things are equal, then what is the value of r?
What is the number of selections of at most 3 things from 6 different things?
If A =
where x, y and z are integers is an orthogonal matrix, then what is A2 equal to?
Solve the Remaining 115 Questions!
The full NDA 2025 (NDA 1) Mathematics PYQ paper contains 120 questions. Practice all of them with timers, performance analytics, and immediate explanations on the SenaPrep App.
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