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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 Watch are Digital. II. All Digital are Camera. III. No Camera is an Automatic. Conclusions: I. All Watch are Camera. II. No Digital is an Automatic. III. No Watch is an Automatic.

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 Watch are Digital. II. All Digital are Camera. III. No Camera is an Automatic. Conclusions: I. All Watch are Camera. II. No Digital is an Automatic. III. No Watch is an Automatic. Correct Answer All follow

Consider the following least possible Venn diagram,

[ alt="RRB OA MFT7 Neha 9 Aug 2018 40q hrev images Q33" src="//storage.googleapis.com/tb-img/production/18/08/RRB_OA_MFT7_Neha_9%20Aug%202018_40q_hrev_images_Q33.PNG">

Conclusions:

I. All Watch are Camera → True.

II. No Digital is an Automatic → True (as all digital are camera and no camera is automatic).

III. No Watch is an Automatic → True (as all watch are digital, all digital are camera and no camera is automatic).

Hence, all conclusions follow.

Related Questions

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