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2018 has 365 days and the 294th day, Oct 31. 2018 is on a We

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2018 has 365 days and the 294th day, Oct 31. 2018 is on a We

by Max@Math Revolution » Thu Mar 22, 2018 11:16 pm
[GMAT math practice question]

2018 has 365 days and the 294th day, Oct 31. 2018 is on a Wednesday. On which day will the last day of 2018 fall?

A. Mon
B. Tue
C. Wed
D. Thu
E. Fri
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by Max@Math Revolution » Sun Mar 25, 2018 5:14 pm
=>
Since we have 30 days in November and 31 days in December, we have 61 days remain in 2018 after Oct. 31, 2018.
Now,
61 = 7*8 + 5.
Since 61 has a remainder of 5 when it is divided by 7, the last day of the year 2018 must be a Monday (count 5 days on from Wednesday).
Therefore, the answer is A.

Answer: A
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