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TS
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What is the quickest way to solve this problem ?
Qn) If Aug 2nd 1978 is a wednesday what day was Aug 2nd 2003 ?
Approach: 6 leap years * 2 = 12 days
20 *1 = 20 days
32/7 remainder 4 i.e should it be wed+4 i.e sunday ?

how do you know that there were 6 leap years? cuz there could be 7 leap years during the 25 years period (but 26 different years), if 1978 was a leaap year.


1978 is not a leap year. Only years divisible by 4 (by 400 in case of years with 00) are leap years.

1978 - 2003 = 25 Years => 25 days
1978 - 2003 => 6 leap years => 6 days

31/7, remainder 3, so it must be a Saturday.
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amt
1978 is not a leap year. Only years divisible by 4 (by 400 in case of years with 00) are leap years.
1978 - 2003 = 25 Years => 25 days
1978 - 2003 => 6 leap years => 6 days
31/7, remainder 3, so it must be a Saturday.

how do you konw that 1978 is not a leap year? does the question support this generalization? you are not supposed to use outside information. your answer should be justified by the informatio provided in the question.



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