If given that the points are A(-11,8,4), B (-1,-7,-1) and c(9,-2,4). Then the lines AB and BC are
Parallel
Perpendicular to each other
Equal
None of these
Given that P(3,2,-4),Q( 5,4,-6), R(9,8,-10) are collinear, then the ratio in which Q divides PR.
2:1
1:2
2:3
3:4
The projection of the line segments joining the points (0,3,-1) and (5,1,2) on the line whose direction ratios are 2,3,6 is
2
22 / 4
22/7
11/7
A line makes angles of 45o and 60o with the positive axes of x and y respectively. What angle does it make with the positive axis of z?
60 o or 100o
100o or 120o
60o or 120o
120o or 180o
If A,B,C, D are the points (2,3,-1), (5,2,3), (4,3,-5) and (-2, 1, -8) respectively. Then the projection of AB on CD is
4
6
8
The angle between any two diagonals of a cube is
cos-1 2/3
cos-1 1/3
cos-1 1/√3
cos-1 √3/2
The ratio in which the xy- plane divides the join of (-3,4,-8) and (5,-6,4) is
The equation to the straight line passing through the points (4,-5,-2) and (-1,5,3) is
x-4/1=y+5/-2=z+2/-1
x+4/1=y-5/2=z-3/-1
x/-1=y/5=z/3
x/4=y/-5=z/-2
The value of aa' + bb' + cc' being negative .The origin will lie in the acute angle between the planes are +by+cz+d=0 and a'x + b'y + c'z + d'= 0,if
a = a'= 0
d and d' are of same sign
d and d' are of opposite sign
Line joining A (5,2,-3) to B (6,1,4) and C(-3,-2,-1) to D (-1,-4,11) are
parallel
perpendicular
not equal
none of these
