ANSWERS TO CORRESPONDENTS.
“Curious.”—(l) In 400 consecutive years there is always an exact num ber of weeks, whatever be the year the period begins. (2) Every 28 years the day of the month will fall on the same week day, but not when a period includes a century year that is not a leap year, 1900 for example. G. H. P. —Any conditions may be assumed, but they must be clearly expressed.. Poultry.”—There is no difference in area between a square mile and a mile square, though there may be in shape.
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Otago Witness, Issue 4039, 11 August 1931, Page 9
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92ANSWERS TO CORRESPONDENTS. Otago Witness, Issue 4039, 11 August 1931, Page 9
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