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Below are given statements followed by four conclusions. You have to take the given statements to be true even if they appear to be at variance with commonly known facts, and then decide which of conclusions logically follows from the given statements. Statements: Some TV are LED. Some LED are LCD. All LCD are black. No black is white. Conclusions: I. Some LED are not white. II. Some TV are black. III. All black are LCD. IV. Some black are LCD.

Below are given statements followed by four conclusions. You have to take the given statements to be true even if they appear to be at variance with commonly known facts, and then decide which of conclusions logically follows from the given statements. Statements: Some TV are LED. Some LED are LCD. All LCD are black. No black is white. Conclusions: I. Some LED are not white. II. Some TV are black. III. All black are LCD. IV. Some black are LCD. Correct Answer I and IV follow

The least possible Venn diagram for the given statements is as follows,

[ src="//storage.googleapis.com/tb-img/production/19/04/Diagrams%20Recreate-%20SSC%20CGL%20T2%20%28For%20Book%202%29.docx%2074.PNG" style="width: 327px; height: 85px;">

Conclusions:

I. Some LED are not white." True (as part of LED which is black will not be white)

II. Some TV are black." False (It is possible but not definite)

III. All black are LCD." False (as all LCD are black)

IV. Some black are LCD." True (as all LCD are black, some black will definitely be the LCD)

Thus, the conclusions I and IV follow.

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