Matrices & Determinants MCQs Part III

1) The value of the determinant a) 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 to a) 0 b) c) d) 4) The multiplicative inverse of a) b) c) d) 5) The multiplicative …

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

Vector Algebra MCQs Part III

1) a) b) c) d) none of these 2) a) b) c) d) 3) a) b) c) d) 4) a) b) c) d) none of these 5) If a) 7b) 5c) 13d) 6) a) b) c) d) none of these 7) a) b) c) d) 8) a) – 4b) -1c) 4d) – 2 9) a) …

Vector Algebra MCQs Part II

1) The vectors 2i +3j-4k and ai+bj+ck are perpendicular whena) a=2, b=3, c=-4b) a=4, b=4, c=5c) a=4, b=4, c=-5d) none of these 2) The vectors A=3i-k, B=i+2j are adjacent sides of a parallelogram. Its area is a) b) c) d) 3) If a and b position vectors of A and B respectively the position vector …