Figure shows the arrangement of desks in a classroom. Madhuri, Meena, Pallavi are seated at A(3, 1), B(6, 4) and C(8, 6) respectively. Do you think they are seated in a line ? Give reasons for your answer.

Figure shows the arrangement of desks in a classroom. Madhuri, Meena , Pallavi are seated at A ( 3 , 1) , B ( 6 , 4) and C ( 8 , 6) respectively. Do you think they are seated in a line ? Give reasons for your . (AS_(2))

In case of a die is getting a 1 complementary to events getting 2, 3,4, 5,6 ? Give reasons for your answer.

Show that ABCD is a square where A,B,C,D are the points (0,4,1),(2,3,-1),(4,5,0) and (2,6,2) respectively.

Two carbon compounds A and B have molecular formulae C_3 H_8 and C_3 H_6 respectively. Which one of the two is most likely to undergo addition reactions? Justify your answer.

The position vectors of three points A,B and C (1,3,x ) (3,5,8) and (y,-1,-6) respectively. IF A, B and C are collinear, then (x,y) =

Rani says that shaded portion in given figure represents (1)/(4) . Do you agree with her? Give reason to support your answer ?

If A(4,8,12), B(2,4,6), C(3,5,4) and D(5,8,5) are four points, show that the lines vec(AB) and vec(CD) intersect.

Name the type of quadrilateral formed, if any, by the points, and give reasons for your answer. (4, 5), (7, 6), (4, 3), (1, 2)