已知全集U={1,2,3,4,5,6},集合A={1,2,5},∁UB={4,5,6},则集合A∩B=( )
A.{1,2}
B.{5}
C.{1,2,3}
D.{3,4,6}
∵全集U={1,2,3,4,5,6},
又∵CUB={4,5,6},
∴B={1,2,3},
∵A={1,2,5},
∴A∩B={1,2},
故选A.
已知全集U={1,2,3,4,5,6},集合A={1,2,5},∁UB={4,5,6},则集合A∩B=( )
A.{1,2}
B.{5}
C.{1,2,3}
D.{3,4,6}
∵全集U={1,2,3,4,5,6},
又∵CUB={4,5,6},
∴B={1,2,3},
∵A={1,2,5},
∴A∩B={1,2},
故选A.