NDA questions
2827 published questions with worked solutions.
- The equation of the plane passing through the intersection of the planes 2x+y+2z=9, 4x-5y-4z=1 and the point (3, 2, 1) is
- The distance between the parallel planes 4x-2y+4z+9=0 and 8x-4y+8z+21=0 is
- What are the direction cosines of z-axis?
- If a = i -2 j +5 k and b =2 i + j -3 k then what is ( b - a ) (3 a + b ) equal to?
- If the position vectors of points A and B are 3 i -2 j + k and 2 i +4 j -3 k respectively, then what is the length of AB ?
- The sine of the angle between vectors a =2 i -6 j -3 k and b =4 i +3 j - k is
- What is the value of for which the vectors 3 i +4 j - k and -2 i + j +10 k are perpendicular?
- What is the derivative of ^2( ^ -1 x) with respect to x?
- If f(x)= _ 10 (1+x), then what is 4f(4)+5f(1)- _ 10 2 equal to?
- A function f defined by f(x)= ( x^2+1 -x) is
- The domain of the function f defined by f(x)= _x10 is
- _ x 0 1- ^34x x^2 is equal to
- The number of real roots for the equation x^2+9|x|+20=0 is
- If f(x)= ( x), then f'(x) is equal to
- The domain of the function f(x)= (2-x)(x-3) is
- The solution of the differential equation dy dx = (y-x)+1 is
- _0^ 2 | x- x| ,dx is equal to
- _0^ 2 e^ x x ,dx is equal to
- If f(x)= x-2 x+2 , x -2, then what is f^ -1 (x) equal to?
- What is (x^2) ,dx equal to?