1
NDA Mathematics 10 April 2022
MCQ (Single Correct Answer)
+2.5
-0.83
Change Language
What is the equation of the circle which touches both the axes in the first quadrant and the line y - 2 = 0?
A
x2 + y2 - 2x - 2y - 1 = 0
B
x2 + y2 + 2x + 2y + 1 = 0
C
x2 + y2 - 2x - 2y + 1 = 0
D
x2 + y2 - 4x - 4y + 4 = 0
2
NDA Mathematics 10 April 2022
MCQ (Single Correct Answer)
+2.5
-0.83
Change Language
What is the equation of the parabola with focus (-3, 0) and directrix x - 3 = 0 ?
A
y2 = 3x
B
x2 = 12y
C
y2 = 12x
D
y2 = -12x
3
NDA Mathematics 10 April 2022
MCQ (Single Correct Answer)
+2.5
-0.83
Change Language
What is the distance between the foci of the ellipse x2 + 2y2 = 1 ?
A
1
B
$\sqrt 2$
C
2
D
$2\sqrt 2$
4
NDA Mathematics 10 April 2022
MCQ (Single Correct Answer)
+2.5
-0.83
Change Language
Let a, b, c be the lengths of sides BC, CA, AB respectively of a triangle ABC. If p is the perimeter and q is the area of the triangle, then what is $p(p-2a) \tan \left(\frac{A}{2}\right)$ equal to ?
A
q
B
2q
C
3q
D
4q
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