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Doctors Medicines MCQs Q&A

Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statements. Statements: No Lilly is a Rose. All Roses are Jasmines. Conclusions: I. No Lilly is a Jasmine. II. No Jasmine is a Lilly. III. Some Jasmines are Roses. IV. All Jasmines are Roses.

Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statements. Statements: No Lilly is a Rose. All Roses are Jasmines. Conclusions: I. No Lilly is a Jasmine. II. No Jasmine is a Lilly. III. Some Jasmines are Roses. IV. All Jasmines are Roses. Correct Answer Only conclusion III follows.

The least possible Venn diagram for the given statements is as follows.

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Conclusions:

I. No Lilly is a Jasmine  → False → (As all rose are jasmine and no lilly are rose. So no lilly is jasmine is possible but not definite)

II. No Jasmine is a Lilly → False → (As all rose are jasmine and no lilly are rose. So no jasmine is a lilly is possible but not definite)

III. Some Jasmines are Roses → True → (As all rose are jasmine, so some jasmines are roses is definite true)

IV. All Jasmines are Roses → False → (As all rose are jasmine, so all jasmines are roses it not possible)

Hence, the correct answer is "Only conclusion III follows".

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