CBSE Guess > Papers > Important Questions > Class XII > 2010 > Maths > Mathematics By Mr. Kalpesh
CBSE CLASS XII
Q. 1. Find a vector in the direction of sum of the vectors 
and 
that has a magnitude of 7 units.
Q. 2. Find a unit vector perpendicular to each of vectors 
and 
, where 
, 
.
Q. 3. If 
, 
, 
and 
are the position vectors of points A , B , C and D respectively , then find the angle between 
and 
. Deduce that 
and 
are collinear.
Q. 4. If 
and 
then express 
in the form 
, where 
is parallel to 
and 
is perpendicular to 
.
Q. 5. A girl walks 
km towards west, then she walks 
km in a direction of 
east of north and stops . Determine the girl’s displacement from her initial point of departure.
Q. 6. Let 
,
and 
be three vectors such that 
, 
, 
and each one of them being perpendicular to the sum of the other two, Find 
.
Q. 7. If 
,prove that 
.
Q. 8. If 
the find the value of 
.
Q. 9. Solve the equation : 
.
Q. 10. If 
, then find the value 
.
Paper By Mr. Kalpesh
Email Id : [email protected]
Ph No. : 9837286170
