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If n(A∪B∪C)= 100,n(A)= 4x,n(B)= 6x,n(C)= 5x,n(A∩B)= 20,n(B∩C)= 15andn(A∩C)= 25,then n(A∩B∩C)= 10,then the value of x isA)10 B)15 C)25 D)30 |
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Answer» Step-by-step explanation: 100=4x+6x+5x-20-15-25+10 100=15x-60+10 100=15x-50 |
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