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Question

In each group of questions below are 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 and then decide which of the given conclusions logically follows from the two/three statements, disregarding commonly known facts. Give answer
Statements: No note is a coin.
Some coins are metals.
All plastics are notes.
Conclusions: I. No metal is plastic.
II. All notes are plastics.

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 B if neither conclusion I nor conclusion II follows.
Analyzed statement: No note is a coin,Some coins are metals,Some notes might also be metals.All plastics are notes,but Some notes are Plastics.
No metal is plastic: As shown in the figure some metals may be plastic.Those notes which are plastic can also be metals.Hence, Conclusion 1 doesnt follow
All notes are plastics: All notes cant be plastics.Some notes can also be metals and some notes can be neither plastic nor metals.So conclusion 2 doesnt follow.


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