In the following question below are given some statements followed by some conclusions. Taking the given statements to be true even if they seem to be at variance from commonly known facts, read all the conclusions and then decide which of the given conclusion logically follows the given statements. Statements: All laugh is walk. All walk is swim. Conclusions: I. No swim is a laugh. II. Some swim is laugh.

In the following question below are given some statements followed by some conclusions. Taking the given statements to be true even if they seem to be at variance from commonly known facts, read all the conclusions and then decide which of the given conclusion logically follows the given statements. Statements: All laugh is walk. All walk is swim. Conclusions: I. No swim is a laugh. II. Some swim is laugh. Correct Answer Only conclusion II follows. 

Drawing a Venn diagram based on information given in statement,

[ alt="rail s" src="//storage.googleapis.com/tb-img/production/18/09/rail%20s.PNG" style="height:150px; width:152px">

Conclusions:

I. No swim is a laugh → False

II. Some swim is laugh → True

Hence, Only conclusion II follows.

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