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2004
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Q)
A line with direction cosines proportional to 2, 1, 2 meets each of the lines $x=y+a=z$ and $x+a=2y=2z$. The co-ordinates of each of the point of intersection are given by
( A ) $(3a, 3a, 3a), (a, a, a)$
( B ) $(3a, 2a, 3a), (a, a, 2a)$
( C ) $(3a, 2a, 3a), (a, a, a)$
( D ) $(2a, 3a, 3a), (2a, a, a)$
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