Birthday Math
Number Theory
Level
pending
Five siblings wrote down their birth dates and the corresponding day:
Charles: 24 Sept 1991 (Friday)
Darius: 30 May 1994 (Thursday)
Brenda: 19 Nov 1996 (Wednesday)
Alfred: 1 Nov 1999 (Tuesday)
Eric: 4 Dec 2000 (Monday)
One of them identified the day correctly. Given that 1 Jan 2015 falls on a Thursday, who is correct?
by
Noel Lo