1
NDA Mathematics 1st September 2024
MCQ (Single Correct Answer)
+2.5
-0.833
lf f(x) = [x]2 - 30[x] + 221 = 0, where [x] is the greatest integer function, then what is the sum of all integer solutions?
2
NDA Mathematics 1st September 2024
MCQ (Single Correct Answer)
+2.5
-0.833
f f(x) = 9x - 8√x such that g(x) = f(x) - 1, then which one of the following is correct?
3
NDA Mathematics 21 April 2024
MCQ (Single Correct Answer)
+2.5
-0.83
If $\sqrt{2}$ and $\sqrt{3}$ are roots of the equation $a_0 + a_1 x + a_2 x^2 + a_3 x^3 + x^4 = 0$ where $a_0, a_1, a_2, a_3$ are integers, then which one of the following is correct?
4
NDA Mathematics 21 April 2024
MCQ (Single Correct Answer)
+2.5
-0.83
If $a$, $b$, and $c$ $(a > 0, c > 0)$ are in GP, then consider the following in respect of the equation $ax^2 + bx + c = 0$:
1. The equation has imaginary roots.
2. The ratio of the roots of the equation is $1 : \omega$ where $\omega$ is a cube root of unity.
3. The product of roots of the equation is $\left(\frac{b^2}{a^2}\right)$.
Which of the statements given above are correct?
Questions Asked from Quadratic Equations and Inequalities (Marks 2.5)
Number in Brackets after Paper Indicates No. of Questions
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