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Doctors Medicines MCQs Q&A

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. Some Almirah are Plastic. II. No Plastic is a Brass. III. All Brass are Copper. Conclusions: I. Some Plastic are Copper. II. No Copper is an Almirah. III. Some Almirah are Brass.

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. Some Almirah are Plastic. II. No Plastic is a Brass. III. All Brass are Copper. Conclusions: I. Some Plastic are Copper. II. No Copper is an Almirah. III. Some Almirah are Brass. Correct Answer None follows

Consider the following least possible Venn diagram,

[ alt="RRB OA MFT7 Neha 9 Aug 2018 40q hrev images Q32" src="//storage.googleapis.com/tb-img/production/18/08/RRB_OA_MFT7_Neha_9%20Aug%202018_40q_hrev_images_Q32.PNG">

Conclusions:

I. Some Plastic are Copper → False (It is possible but not definite).

II. No Copper is an Almirah → False (It is possible but not definite).

III. Some Almirah are Brass → False (It is possible but not definite).

Hence, none conclusion follows.

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