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 camels are donkeys.Some cats are camels.All dolphins are cats.Conclusions:I. All dolphins are donkeys.II. Some dolphins are donkeys.III. Some donkeys are cats.IV. All cats are donkeys.

Only conclusion IV follows

Only conclusion III follows

Both conclusions I and III follow

Both conclusions II and III follow

Solution:

The logical Venn diagram is given below:-Conclusions:I. All dolphins are donkeys. ? False ? (it is possible but not definite.)II. Some dolphins are donkeys. ? False ? (it is possible but not definite.)III. Some donkeys are cats. ? True ? (All camels are donkeys, Some cats are camels. So some donkeys are cats is correct.)IV. All cats are donkeys. ? False ? (it is possible but not definite.)Hence, "option 2" is the correct answer.

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Question Bank - Logical Reasoning

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