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Question

Statements: No star is a sun.
All suns are planets.
All stars are moons.
Conclusions: I. Some moons if they are suns must be planets.
II. Some stars which are planets may also be suns.

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 only conclusion I follows.
Two cases are possible for this situation
Some moons are sun, so are planets
This is a possibility.
Some stars, if planets are sun is not possible as no star is a son.
Thus, only conclusion I is true.
Option A is correct.

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