Clocks and Calendars Quiz Set 33

14 years + 7 months + 8 days
= 11 ordinary years + 3 leap years + 7 months + 8 days
= 11 x 365 + 3 x 366 + 30 + 31 + 30 + 30 + 31 + 30 + 31 + 8 = 5335
No. of odd days = ⁵³³⁵⁄₇ = 762 + 1
∴ His birthday will fall 1 day after Saturday on Sunday.

Count the days from months between March 1 and August 1 like this: March days = 31;April days = 30;May days = 31;June days = 30;July days = 31; So total days = 153. Since 153 = 21 X 7 + 6, so excess days are 6. So we can count the day to Saturday + 6 = Friday.

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5 days earlier than Tuesday will be Thursday. So day 4 of that month is Thursday. Number of days between 19 and 4 is 15. Since 15 = 2 X 7 + 1, so excess days are 1. So we can count the day to Friday

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Probable dates according to John are 11; 12; 13; 14; Probable dates according to Sham are 12; The common date is: 12.

Count the days from months between April 1 and August 1 like this: April days = 30;May days = 31;June days = 30;July days = 31; So total days = 122. Since 122 = 17 X 7 + 3, so excess days are 3. So we can count the day to Tuesday + 3 = Friday.

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