Question : Directions: 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:
I. Some Delhites are Singaporeans.
II. No Singaporean is an American.
Conclusions:
I. Some Americans are Singaporeans.
II. All Singaporeans are Delhites.
Option 1: Either conclusion I or II follows
Option 2: Only conclusion II follows
Option 3: Only conclusion I follows
Option 4: Neither conclusion I nor II follows
Correct Answer: Neither conclusion I nor II follows
Solution : The possible Venn diagram according to the given statements is as follows –
Let's analyse the conclusions –
Conclusion (I):
Some Americans are Singaporeans – From the Venn diagram and given statements, no Singaporeans are Americans. Therefore, this conclusion is false.
Conclusion (II):
All Singaporeans are Delhites – From the given Venn diagram and given statements some Singaporeans are Delhites is true but all Singaporeans are Delhites is a false conclusion.
So, neither conclusion I nor II follows. Hence, the fourth option is correct.
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