Read the following information to answer these questions.
There are six books/volumes kept in a steel rack/shelf and are labelled as L, M, N, O, P and Q. M, P, N and Q have blue covers while others have red covers. L, M and O are new volumes while the rest are old volumes. L, M and N are law books while the rest are engineering books.
L Red New Law
M Blue New Law
N Blue Old Law
O Red New Engg
P Blue Old Engg
Q Blue Old Engg
So, the answer would be option c) P and Q
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