There are two types of people, A or B. Those of type A ask only questions whose

Question

There are two types of people, A or B. Those of type A ask only questions whose correct answer is “yes,” while those of type B ask only questions whose correct answer is “no.” (For example, an inhabitant of type A could ask, “Does two plus two equal four?” but could not ask, “Does two plus two equal two?” while an inhabitant of type B could ask, “Does one plus one equal one?” but could not ask, “Does one plus one equal two?’) We have two people, Rick asked Nick, “Are you the type who could ask whether at least one of us is of type B?” What are Nick and Rick?

Explanation / Answer

Answer :

Nick : Type A

Rick : Type B

For Rick question " are you the type who could ask whether at least one of us is of type B? " ,Nick's answer would be No.

Then for Nick's question " whether at least one of us is of type B ? ", Rick's answer would be Yes. Since Ricks is B type, he would say Yes.

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