In the series : ""_(88)^(226)Raoverset(-alpha)to""_(86)^(222)Rnoverse – InterviewSolution

1.	In the series : ""_(88)^(226)Raoverset(-alpha)to""_(86)^(222)Rnoverset(-alpha)to""_(84)^(218)RaAoverset(-alpha)to""_(82)^(214)RaBoverset(-Beta)to""_(83)^(214)RaC Ra belongs to which period?
Answer» V VI IV II Answer :A

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