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Doctors Medicines MCQs Q&A

In the question below, there are three statements followed by two conclusions. You have to take the given statements to be true even if they seem to be at variance with commonly known facts and then decide which of the given conclusion logically follow(s) from the given statements. Statements: I. All fans are bulbs. II. Some bulbs are walls. III. All walls are roofs. Conclusions: I. Some walls are bulbs. II. Some roofs are fans.

In the question below, there are three statements followed by two conclusions. You have to take the given statements to be true even if they seem to be at variance with commonly known facts and then decide which of the given conclusion logically follow(s) from the given statements. Statements: I. All fans are bulbs. II. Some bulbs are walls. III. All walls are roofs. Conclusions: I. Some walls are bulbs. II. Some roofs are fans. Correct Answer Only conclusion I follows

The least possible Venn diagram is,

[ src="//storage.googleapis.com/tb-img/production/20/09/F1_Antesh_Shraddha_29.09.2020_D7.png" style="width: 220px; height: 149px;">

Conclusion I: Some walls are bulbs → True (This is definitely true)

[ src="//storage.googleapis.com/tb-img/production/20/09/F1_Antesh_Shraddha_29.09.2020_D8.png" style="width: 175px; height: 105px;">

Conclusion II: Some roofs are fans → False (This is possible but not definite)

Hence, “only conclusion I” follows.

Related Questions

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