1
NDA Mathematics 3 September 2023
MCQ (Single Correct Answer)
+2.5
-0.83
What is the angle between the lines 2x = 3y = -z and 6x = -y = -4z?
2
NDA Mathematics 3 September 2023
MCQ (Single Correct Answer)
+2.5
-0.83
What is the equation of the sphere concentric with the sphere x2 + y2 + z2 - 2x - 6y -8z - 5 = 0 and which passes through the origin?
3
NDA Mathematics 3 September 2023
MCQ (Single Correct Answer)
+2.5
-0.83
A point P lies on the line joining A(1, 2, 3) and B(2, 10, 1). If z-coordinate of P is 7, what is the sum of other two coordinates?
4
NDA Mathematics 16 April 2023
MCQ (Single Correct Answer)
+2.5
-0.83
Consider the following for the next two (02) items that follow :
Let A(1, -1, 2) and B(2, 1, -1) be the end points of the diameter of the sphere
x2 + y2 + z2 + 2ux + 2vy + 2wz - 1 = 0.
What is u + v + w equal to ?
Questions Asked from Three Dimensional Geometry (Marks 2.5)
Number in Brackets after Paper Indicates No. of Questions
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