1.

Statements : All needles are threads. All threads are boxes. All trees are boxes.nConclusions :nI. No needle is tree.nII. Some trees are threads.nIII. Some boxes are needles.nIV. Some trees are needles.

A. None follows
B. Only either I or IV follows
C. Only either I or IV, and II follow
D. Only either I or IV, and III follow
Answer» B. Only either I or IV follows


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