(Question 1-3): Six employees L, M, N, O, P and R are being assigned to officers, each of which can accomodate two person and no more than two. Each person must be assigned to exactly one office and must be assigned to that office either alone or else together with one other member of the group six. Enough offices are available to permit any possible assignment of group members to offices, but the following restrictions must be observed: M cannot share an office with N. N cannot share an office with O. P and R must share an office together. Q- If N is assigned to an office alone, which of the following must be true?

A No one other than N is assigned to an office alone.

B L shares an office with O

C M is assigned to an office alone.

D The group occupies either 4 or 5 offices.

Solution

Correct Answer: Option D

Solution

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