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Read the given statements and conclusions carefully. Assuming that the information given in the statement 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 ponds are lakes. No river is a pond. Conclusions: I. Some rivers are not lakes. II. No river is a lake. III. Some rivers are lakes.

Read the given statements and conclusions carefully. Assuming that the information given in the statement 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 ponds are lakes. No river is a pond. Conclusions: I. Some rivers are not lakes. II. No river is a lake. III. Some rivers are lakes. Correct Answer Either conclusion II or III follows

Least possible Venn diagram:

Important Points

Complementary pair

1) When both the elements of conclusions are the same.

2) When both the conclusions are false individually.

There are only two different types of complementary pairs, which satisfy the condition of either or.

​1) All - Some not

2) No - Some

Mistake Points"Some + Some not" are complementary pairs of Neither nor case.

Related Questions

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