statement I:All girls are students. Statement II: All doctors are students. - Logical Reasoning

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MCQ

In the following question, two statements followed by four conclusions I, II, III and IV. You have to accept the given statements to be true, even if they appear to be at variance from commonly known facts. Read all the conclusions and then decide which of the given conclusions logically follows from the two statements:

statement I: All girls are students.
Statement II: All doctors are students.

Conclusions:
I. All girls are students.
II. Some students are girls.
III. Some students are doctors.
IV. All doctors are girls.

Options

  • Only I follows.

  • Only I and II follow.

  • Only II and IV follow.

  • Only I and II and III follow.

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Solution

The Venn diagram is as shown below:

Conclusions:

I.true II.true III.true IV. False So, only I, II and III follows.

Concept: Syllogism
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