Question
Two statements have been given followed by two
conclusions (I) and (II). Assuming the statements to be true, even if they seem to be at variance from commonly known facts, decide which of the given conclusions logically follow(s) from the given statements. Statements: (1) Some books are pencils (2) Some pencils are erasers. Conclusions: (I) Some erasers are books. (II) No book is eraser.Solution
Some books are pencils (I) + Some pencils are erasers (I) → No conclusion. Hence neither conclusion I nor II follows bit it will make a complementary pair. Hence either conclusion I or II follows.
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