Discussion

Explanation:

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The information can be organised in a tabular form as shown above:

JC arrives first in the lounge, followed by SS and SM.

∴ DG must have followed them as SM met him before he left.

SM leaves after DG comes followed by SS.

JP and VR enter to find JC and DG sitting in the lounge.

JC leaves with DG, after meeting JP and VR.

DG comes back on his second visit to the lounge finding JP and VR still sitting in the lounge.

VR leaves the lounge, and only JP and DG are left behind in the lounge.

PK enters the lounge and finds only JP and DG sitting in the lounge.

PK leaves, which means that JP and DG must be the last two faculty members to leave the lounge.

JP and DG were the last two faculty members to leave the lounge.

Hence, option (d).

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