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Question

In each of the questions below some statements are given followed by some Conclusions. You have to take 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 conclusions logically follows from the given statements disregarding commonly known facts.

Statements: 

Some applications are software.

All hardware are software.

All software are systems

Conclusions:

I. No hardware is an application

II. No system is a hardware

III. Some applications are hardware.

A Only I follows Correct Answer Incorrect Answer
B Only II follows Correct Answer Incorrect Answer
C Either I or III follow Correct Answer Incorrect Answer
D Only III follows Correct Answer Incorrect Answer
E None follows Correct Answer Incorrect Answer

Solution

Some applications are software (I) + [All hardware are software (A) → Conversion] → Some software are hardware (I) →   No conclusion. Hence neither conclusion I nor II follows but it will make a complementary pair i.e. I-E. Hence either conclusion I or III follows. All hardware are software (A) + All software are systems (A) → All hardware are systems (A). Hence conclusion II does not follow.

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