# Category «JEE»

## Matrices & Determinants MCQs Part V

1) The coefficient of x in the determinanta) 1b) 0c) 2d) none of these 2) If A is any m x n matrix such that AB and BA are both defined, then B is an a) m x n matrixb) n x m matrixc) n x n matrixd) m x m matrix 3) If and …

## Matrices & Determinants MCQs Part IV

1) The value of the determinant a) 0b) -1c) 1d) 10 2) a) a/b is one of the cube roots of unityb) a is one of the cube roots of unityc) b is one of the cube roots of unityd) a/b is one of the cube roots of -1 3) If A, B and C …

## Matrices & Determinants MCQs Part III

1) The value of the determinanta) b) c) d) 2) The solution set of the equation a) b) c) d) 3) If A is square matrix such that then for any +ve integer n, is equal toa) 0b) c) d) 4) The multiplicative inverse ofa) b) c) d) 5) The multiplicative inverse of the matrixa) …

## Matrices & Determinants MCQs Part II

1) If the system of equations x + ay + az = 0, bx + y + bz = 0, cx + cy + z = 0 Where a, b and c are non-zero and non-unity, has a non- trivial solution, then the value of a) zerob) 1c) -1d) 2) If then the value of …

## Matrices & Determinants MCQs Part I

1) The number of lines that are parallel to 2x+6y+7=0 and have an intercept of length 10 between the coordinate axes is a) 1b) 2c) 4d) infinitely many 2) If is the identity matrix of order n, then a) does not existb) c) =0d) 3) If A is any square matrix, then A (Adj A) …

## 3D Geometry MCQs Part II

1) The angle between the lines x = 1, y = 2 and y = -1, z = 0 isa) b) c) d) 2) The line a) coincidentb) parallelc) skewd) perpendicular 3) The vector equation of a line which passes through a point whose      position vector is and parallel to a vector is a) b) …

## 3D Geometry MCQs Part I

1) The co-ordinates of the foot of the perpendicular from the point (1, 3, 4) on the plane 2x – y +z + 3 = 0 area) (1, 1, -4)b) (4, -3, 1)c) (1, -3, 4)d) (-1, 4, 3) 2) The shortest distance between the lines a) 1/6b) c) 1/3d) 3) The image of the …

## Vector Algebra MCQs Part VI

1) a) b) c) d) p 2) a) are collinearb) form an equilateral trianglec) form a scalene triangled) form a right angled triangle 3) a) 9 p2  = 4 q2 b) 4 p2   =  9 q2 c) 9 p = 4 qd) 4 p = 9 q 4) a) the AM of a and bb) …

## Vector Algebra MCQs Part V

1) The vector equation of the plane containing the line and the point a) b) c) d) none of these 2) The point of intersection of the lines a) b) c) d) 3) The length of from the origin of the line a) b) 2c) d) 6 4) The angle between the lineand the normal …

## Vector Algebra MCQs Part IV

1) be three non-zero vectors such that is a unit vector perpendicular to both the vector and . If the angle between is then, a) 0b) 1c) d) 2) The value of c so that for all real x the vectors make an obtuse angle area) c