QUESTION
यदि n(A)=1 और n(B)=4 है तो A से B तक possible relations की संख्या कितनी होगी?
If n(A)=1 and n(B)=4 then how many possible relations are there from A to B?
CORRECT ANSWER
C
16 / 16
EXPLANATION INSIDE
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Step 1: Relation A से B तक A × B का subset होता है। Step 2: n(A × B)=1×4=4 इसलिए relations 2^4 = 16 होंगे। Step 3: Relation count में Cartesian product के subsets गिनें।