HMMT 二月 2000 · GEN 赛 · 第 14 题
HMMT February 2000 — GEN Round — Problem 14
题目详情
英文原题
- The author of this question w as b orn on April 24, 1977. What da y of the w eek w asthat?
3 5
(5 ) (3 )
5 3
解析
英文解析
- F eburary 26, 2000 is a Saturda y . April 24, 2000 is 23 365 + 1 + 1 + 1 + 1 + 1 + 1 = 8401
da ys a w a y from April 24, 1977 (in luding the leap y ears). So, F eburary 26, 2000 is
8343
8401 3 31 24 = 8343 da ys after April 24, 1977. No w, = 1191 with a remainderof 6. So, 6 da ys b efore Saturda y is Sunda y .7
6 4 4 6