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Two finite sets have m and n elements. T...

Two finite sets have m and n elements. The total number of subsets of the first set is 56 more than the total number of subsets of the second set. The value of m and n is

A

`7,6`

B

`6,3`

C

`5,1`

D

`8,7`

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The correct Answer is:
B
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TARGET PUBLICATION-SETS, RELATIONS AND FUNCTIONS-COMPETITVE THINKING
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