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Three statements are given, followed by three conclusions numbered 1, 2 and 3. Assuming the statements to be true, even if they seem to be at variance with known facts, decide which of the conclusions logically follow(s) from the statements. Statements: All folders are copies. All books are folders. No copies are pen. Conclusions: 1. No book is a pen. 2. All books are copies. 3. Some copies are books.

Three statements are given, followed by three conclusions numbered 1, 2 and 3. Assuming the statements to be true, even if they seem to be at variance with known facts, decide which of the conclusions logically follow(s) from the statements. Statements: All folders are copies. All books are folders. No copies are pen. Conclusions: 1. No book is a pen. 2. All books are copies. 3. Some copies are books. Correct Answer All conclusions follow

Given, 

Statements:

All folders are copies.

All books are folders.

No copies are pen.

The least possible Venn diagram is:

[ alt="F1 Sweta Singh 19.3.21 Pallavi D20" src="//storage.googleapis.com/tb-img/production/21/03/F1_Sweta%20Singh_19.3.21_Pallavi_D20.png" style="width: 180px; height: 112px;">

Conclusions:

1. No book is a pen. → True (As, All books are folders, All folders are copies and No copy is pen hence, books will not get shared by pen)

2. All books are copies. → True (As, All books are folders and All folders are copies hence all books are copies will be definite true)

3. Some copies are books. → True (As, All books are folders and All folders are copies hence some copies are definitely books)

Hence, all conclusions follow.

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