Lizeth noticed that her grandparents’ birth dates have

an unusual property. Her grandmother was born 5-

31-36, and her grandfather was born 9-25-34.

Furthermore, her great-grandfather 7-17-14. How

many birth dates in a century have this property, in

which the sum of the month and the day equal the

value of the last two digits of the birth year?

2 answers

903
365