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GRE Prep Club Team Member
Joined: 20 Feb 2017
Posts: 2506
Given Kudos: 1055
GPA: 3.39
June 25, 1982, fell on a Friday. On which day of the week did June 25,
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21 Nov 2022, 02:16
21 Nov 2022, 02:16
Expert Reply
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Question Stats:
66% (00:49) correct
33% (00:55) wrong based on 6 sessions
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June 25, 1982, fell on a Friday. On which day of the week did June 25, 1987, fall? (Note: 1984 was a leap year.)
A. Sunday
B. Monday
C. Tuesday
D. Wednesday
E. Thursday
A. Sunday
B. Monday
C. Tuesday
D. Wednesday
E. Thursday
GRE Prep Club Team Member
Joined: 20 Feb 2017
Posts: 2506
Given Kudos: 1055
GPA: 3.39
Re: June 25, 1982, fell on a Friday. On which day of the week did June 25,
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23 Nov 2022, 08:32
23 Nov 2022, 08:32
Expert Reply
One year = 365 days except for leap years = 366 days
52 weeks in a year 7 days per week = 364 days
1982 25th a Friday, if we move 365 days in the next year we end up on the 25th, but the weekday will be Saturday since we have moved 52 weeks + 1 day into the future.
Hence,
1982 25th Friday
1983 25th Saturday (+1 day)
1984 25th Monday (+1 day and +1 extra day for leap year)
1985 25th Tuesday (+1 day)
1986 25th Wednesday (+1 day)
1987 25th = Thursday
If the system had been 364 days per year, every year we would have end up on the same day every year.
Answer: E
52 weeks in a year 7 days per week = 364 days
1982 25th a Friday, if we move 365 days in the next year we end up on the 25th, but the weekday will be Saturday since we have moved 52 weeks + 1 day into the future.
Hence,
1982 25th Friday
1983 25th Saturday (+1 day)
1984 25th Monday (+1 day and +1 extra day for leap year)
1985 25th Tuesday (+1 day)
1986 25th Wednesday (+1 day)
1987 25th = Thursday
If the system had been 364 days per year, every year we would have end up on the same day every year.
Answer: E
Re: June 25, 1982, fell on a Friday. On which day of the week did June 25,
[#permalink]
29 Nov 2022, 05:22
29 Nov 2022, 05:22
GeminiHeat wrote:
One year = 365 days except for leap years = 366 days
52 weeks in a year 7 days per week = 364 days
1982 25th a Friday, if we move 365 days in the next year we end up on the 25th, but the weekday will be Saturday since we have moved 52 weeks + 1 day into the future.
Hence,
1982 25th Friday
1983 25th Saturday (+1 day)
1984 25th Monday (+1 day and +1 extra day for leap year)
1985 25th Tuesday (+1 day)
1986 25th Wednesday (+1 day)
1987 25th = Thursday
If the system had been 364 days per year, every year we would have end up on the same day every year.
Answer: E
52 weeks in a year 7 days per week = 364 days
1982 25th a Friday, if we move 365 days in the next year we end up on the 25th, but the weekday will be Saturday since we have moved 52 weeks + 1 day into the future.
Hence,
1982 25th Friday
1983 25th Saturday (+1 day)
1984 25th Monday (+1 day and +1 extra day for leap year)
1985 25th Tuesday (+1 day)
1986 25th Wednesday (+1 day)
1987 25th = Thursday
If the system had been 364 days per year, every year we would have end up on the same day every year.
Answer: E
1984 25th Monday (+1 day and +1 extra day for leap year)
I was thinking that the leap year the extra day will be added to the end of the year. So, the extra day will be at the end of year 84, which will affect year 85 .
