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Non-empty sets element count (Posted on 2015-04-13) Difficulty: 3 of 5
N is the number of ordered pairs of non-empty sets P and Q that have the following properties:
  1. P ⋃ Q ={1,2,3,4,5,6,7,8,9,10,11,12}, and:
  2. P ⋂ Q = Φ, and:
  3. The number of elements of P is not an element of P, and:
  4. The number of elements of Q is not an element of Q
Find N.

See The Solution Submitted by K Sengupta    
Rating: 5.0000 (1 votes)

Comments: ( You must be logged in to post comments.)
  Subject Author Date
re(2): Answer onlyAdy TZIDON2015-04-13 15:41:50
SolutionsolutionCharlie2015-04-13 14:22:49
re: Answer onlyDaniel2015-04-13 13:47:57
solutionDaniel2015-04-13 13:46:10
SolutionAnswer onlyAdy TZIDON2015-04-13 13:39:19
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