1
NDA Mathematics 10 April 2022
MCQ (Single Correct Answer)
+2.5
-0.83
Change Language
If xy = 4225 where x, y are natural numbers, then what is the minimum value of x + y ?
A
130
B
260
C
2113
D
4226
2
NDA Mathematics 10 April 2022
MCQ (Single Correct Answer)
+2.5
-0.83
Change Language
What does the equation $x \frac{dy}{dx}-2y= 0$ represent ?
A
A family of straight lines
B
A family of circles
C
A family of parabolas
D
A family of ellipses
3
NDA Mathematics 10 April 2022
MCQ (Single Correct Answer)
+2.5
-0.83
Change Language
If the points with coordinates (-5, 0), (5p2, 10p) and (5q2, 10q) are collinear, then what is the value of pq where p ≠ q ?
A
-2
B
-1
C
1
D
2
4
NDA Mathematics 10 April 2022
MCQ (Single Correct Answer)
+2.5
-0.83
Change Language
What is the equation of the straight line which passes through the point (1, -2) and cuts off equal intercepts from the axes ?
A
x + y - 1 = 0
B
x - y - 1 = 0
C
x + y + 1 = 0
D
x - y - 2 = 0
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