1
NDA Mathematics 18 April 2021
MCQ (Single Correct Answer)
+2.5
-0.83
Consider the following statements in respect of the function f(x) = sin x:
1. f(x) increases in the interval (0, π).
2. f(x) decreases in the interval $\left(\dfrac{5\pi}{2},3\pi\right).$
Which of the above statements is/are correct?
2
NDA Mathematics 18 April 2021
MCQ (Single Correct Answer)
+2.5
-0.83
The curve y = -x3 + 3x2 + 2x - 27 has the maximum slope at:
3
NDA Mathematics 18 April 2021
MCQ (Single Correct Answer)
+2.5
-0.83
If x + y = 20 and P = xy, then what is the maximum value of P?
4
NDA Mathematics 18 April 2021
MCQ (Single Correct Answer)
+2.5
-0.83
What is the maximum value of sin 2x ⋅ cos 2x?
Questions Asked from Application of Derivatives (Marks 2.5)
Number in Brackets after Paper Indicates No. of Questions
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