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0 votes
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in Mathematics by (65.1k points)

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. Then : 

(a) m = 3, n = 6 

(b) m = 6, n = 3 

(c) m = 5, n = 6 

(d) None of these

1 Answer

+1 vote
by (71.5k points)
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Best answer

Correct option (b)

Explanation:

2m = 2n + 56

⇒ 2m - 2n = 64 - 8 = 26 - 23

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