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In the following question below are given three statements followed by three 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: I. All Key are Lock. II. No Lock is Mat. III. All Mat are Glass. Conclusions: I. Some Glass being a Lock is a possibility. II. Some Glass are Key. III. No Key is Mat.

In the following question below are given three statements followed by three 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: I. All Key are Lock. II. No Lock is Mat. III. All Mat are Glass. Conclusions: I. Some Glass being a Lock is a possibility. II. Some Glass are Key. III. No Key is Mat. Correct Answer Only I & III follow

Consider the following least possible Venn diagram,
[ alt="Annotation 2019-05-08 142604ssss" src="//storage.googleapis.com/tb-img/production/19/05/Annotation%202019-05-08%20142604ssss.png" style="width: 218px; height: 96px;">

Conclusions:
I. Some Glass being a Lock is a possibility → True (This possibility is true as shown below).
[ alt="Annotation 2019-05-08 142628sswskk2" src="//storage.googleapis.com/tb-img/production/19/05/Annotation%202019-05-08%20142628sswskk2.png" style="width: 183px; height: 100px;">
II. Some Glass are Key → False (It is possible but not definite).
III. No Key is Mat → True
Hence, only conclusions I & III follow.

Related Questions

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