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Given below are four statements followed by four conclusions. Identify which conclusion(s) definitely follow(s) the given four statements disregarding the commonly known facts. Statements: 1. All dogs are cats 2. Some cats are tigers 3. All tigers are lions 4. No lion is a donkey Conclusions: I) Some cats are dogs II) All lions are tigers III) Some donkeys are tigers IV) No tiger is a donkey

Given below are four statements followed by four conclusions. Identify which conclusion(s) definitely follow(s) the given four statements disregarding the commonly known facts. Statements: 1. All dogs are cats 2. Some cats are tigers 3. All tigers are lions 4. No lion is a donkey Conclusions: I) Some cats are dogs II) All lions are tigers III) Some donkeys are tigers IV) No tiger is a donkey Correct Answer Only conclusion I and IV follow

The least possible Venn diagram is:

Conclusions:

I) Some cats are dogs → True (as all dogs are cats, thus some cats are dog is true)

II) All lions are tigers → False  (it is possible but not definite as shown in the figure)

III) Some donkeys are tigers → False (as all tigers are lions and no lion is donkey, thus no tiger is donkey is definite)

IV) No tiger is a donkey → True (as all tigers are lions and no lion is donkey, thus no tiger is donkey is definite)

Hence, only conclusions I and IV follow. 

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Related Questions

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Statement:
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