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Question

In the question below some statements are given some conclusions followed by some statements. You have to take the given statements to be true even if they seem to be at variance with commonly known facts. Read the conclusions and then decide which of the following statement is true for given conclusions.

Conclusions:

I. All Manuals can be Menus.

II. Some Printers are Scanners. 

Statements:

A No Printer is a Menu. Some Menus are Scanners. All Scanners are Manuals. Correct Answer Incorrect Answer
B All Scanners are Printers. All Menus are Manuals. All Printers are Menus. Correct Answer Incorrect Answer
C Only a few Manuals are Scanners. Only a few scanners are Menus. A few Menus are Printers. Correct Answer Incorrect Answer
D Only a few Manuals are Printers. All Manuals are Scanners. All Menus are Printers. Correct Answer Incorrect Answer
E Both option (b) and option (d) are correct Correct Answer Incorrect Answer

Solution

From Statement I. Some Menus are Scanners (I) + All Scanners are Manuals (A) → Some Menus are Manuals (I) → Probable conclusion → All Manuals can be Menus (A). Hence conclusion I follows. No Printer is a Menu (E) + Some Menus are Scanners (I) → Some Scanners are not Printers (O*). Hence conclusion II does not follow. From Statement II. All Menus are Manuals (A) → Probable conclusion → All Manuals can be Menus (A). Hence conclusion I follows. All Scanners are Printers(A) → Conversion → Some Printers are Scanners (I). Hence conclusion II follows. From Statement III. Only a few Manuals are Scanners (I) + Only a few scanners are Menus (I) → Probable conclusion → All Manuals can be Menus (A). Hence conclusion I follows. Only a few scanners are Menus (I) + A few Menus are Printers (I) → No conclusion. Hence conclusion II does not follow. From Statement IV. Only a few Manuals are Printers + [All Menus are Printers (A) → Conversion] → Some Printers are Menus (I) → Probable conclusion → All Manuals can be Menus (A). Hence conclusion I follows.   Only a few Manuals are Printers (I) + [All Manuals are Scanners (A) → Conversion] → Some Scanners are Manuals (I) → No conclusion. Hence conclusion II does not follow.

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