The points with position vectors \[60\,\mathbf{i}+3\,\mathbf{j}\], \[40\,\mathbf{i}-8\mathbf{j},\], \[a\,\mathbf{i}-52\,\mathbf{j}\] are collinear, if \[a=\] [RPET 1991; IIT 1983; MP PET 2002]

The points with position vectors \[60\,\mathbf{i}+3\,\mathbf{j}\], \[4

1.	The points with position vectors \[60\,\mathbf{i}+3\,\mathbf{j}\], \[40\,\mathbf{i}-8\mathbf{j},\], \[a\,\mathbf{i}-52\,\mathbf{j}\] are collinear, if \[a=\] [RPET 1991; IIT 1983; MP PET 2002]
A.	40
B.	40
C.	20
D.	None of these
Answer» B. 40

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The points with position vectors \[60\,\mathbf{i}+3\,\mathbf{j}\], \[40\,\mathbf{i}-8\mathbf{j},\], \[a\,\mathbf{i}-52\,\mathbf{j}\] are collinear, if \[a=\] [RPET 1991; IIT 1983; MP PET 2002]

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