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[" Q.25Let "X={n in N:1<=n<=50}." If "],...

[" Q.25Let "X={n in N:1<=n<=50}." If "],[A={n in X:n" is a multiple of "2}" and "],[B={n in X:n" is a multiple of "7}" ,then the "],[" number of elements in the smallest subset "],[" of "X" containing both A and B is "]

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