1
IIT-JEE 1983
MCQ (Single Correct Answer)
+1
-0.25
The volume of the parallelopiped whose sides are given by
$$\overrightarrow {OA} = 2i - 2j,\,\overrightarrow {OB} = i + j - k,\,\overrightarrow {OC} = 3i - k,$$ is
A
$${4 \over {13}}$$
B
$$4$$
C
$${2 \over 7}$$
D
none of these
2
IIT-JEE 1983
MCQ (Single Correct Answer)
+1
-0.25
The points with position vectors $$60i+3j,$$ $$40i-8j,$$ $$ai-52j$$ are collinear if
A
$$a=-40$$
B
$$a=40$$
C
$$a=20$$
D
none of these
JEE Advanced Subjects