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Integration of Piecewise Continuous Functions

In each of th...

Question

In each of the questions below are given two/three statements followed by two conclusions numbered I and II. You have to take the given statements to be true even if they seem to be at variance with 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. Give answer
Statements: Some calculators are phones.
No phone is an eraser.
Conclusions: I. No calculator is an eraser.
II. Some calculators are definitely not phones.

A

if only conclusion I follows.

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B

if only conclusion II follows.

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C

if either conclusion I or conclusion II follows.

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D

if neither conclusion I nor conclusion II follows.

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E

if both conclusion I and conclusion II follow.

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Solution

The correct option is D if only conclusion II follows.
Three cases are possible in this situation
No C is E is not a possibility in every situation, it does not follow
Some C are definitely not P is always possible.
Thus, some calculators are definitely not phones.
Hence, Option B is correct.

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