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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: All jasmines are flowers. No flower is a plant. Some plants are herbs. Conclusions: I. Some jasmines are herbs. II. No jasmines is a herb. III. No jasmine is a flower.

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: All jasmines are flowers. No flower is a plant. Some plants are herbs. Conclusions: I. Some jasmines are herbs. II. No jasmines is a herb. III. No jasmine is a flower. Correct Answer Either conclusion I or II follows

Note: This is previous year paper and given answer as per the official answer key.

The diagram are given below -

Confusion Points

If no flower is a herb is true, then no jasmine will be herb because all jasmine are flowers

If some jasmines are herbs is true, then some flowers will be herbs because all jasmine are flowers. Then no flower is a  herb will be false.

Important Points

Conditions of Either-or case:

1. Individually both the conclusions should be false.

2. One conclusion should be positive and one conclusion should be negative (Complementary pair)

The two complementary pairs are:

1) All + Some not

2) No + Some

Related Questions

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