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Which lecture is scheduled on Monday ?

  • A.History
  • B.Economics
  • C.Mathematics
  • D.Statistics

Answer: D

Monday's lecture is Statistics.

History must be on Tuesday. English, Economics and Mathematics must fall on three consecutive days in that order, and Economics cannot be on Tuesday. With Tuesday taken, the only run of three free consecutive days is Wednesday, Thursday, Friday: English on Wednesday, Economics on Thursday, Mathematics on Friday.

That leaves Statistics for Monday. History, Economics and Mathematics are all fixed to other days.

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