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Question

If the relation R:AB where A={1,2,3,4} and B={1,3,5} is defined by R={(x,y):x<y,xA,yB}, then ROR1 is


A

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B

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C

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D

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Solution

The correct option is C


Since R = {(1,3)(1,5)(2,3)(2,5)(3,5)(4,5)}

And R1 = {(3,1)(5,1)(3,2)(5,2)(5,3)(5,4)}

Thus, ROR1 = {(3,5)(5,5)(3,3)(5,3)}


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