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If January 1st is a Friday, then what is the first day of the month of March in a leap year ?

  • A.Tuesday
  • B.Wednesday
  • C.Thursday
  • D.Friday

Answer: A

March 1 falls on a Tuesday.

Count the days from 1 January to 1 March in a leap year: 31 days of January and 29 of February, 60 days in all. 60 = 8 weeks + 4 days, so 1 March is 4 days after the weekday of 1 January.

Friday + 4 days = Tuesday. In an ordinary year the gap is 59 days (3 odd days) and the answer would be Monday, which is why the leap day matters; Wednesday, Thursday and Friday come from miscounting the odd days.

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