The Smallest $N$ That Fits
Difficulty: Medium · Topics: Discrete Mathematics, Sets, Venn Diagrams
The sets M and N have a non-empty intersection and
n(N)=4 n(M), n(Nsetminus M)=5 n(Msetminus N).
At least how many elements does the set N have?
Difficulty: Medium · Topics: Discrete Mathematics, Sets, Venn Diagrams
The sets M and N have a non-empty intersection and
n(N)=4 n(M), n(Nsetminus M)=5 n(Msetminus N).
At least how many elements does the set N have?