HMMT 二月 2000 · GEN 赛 · 第 14 题
HMMT February 2000 — GEN Round — Problem 14
题目详情
- The author of this question w as b orn on April 24, 1977. What da y of the w eek w as that? 3 5 (5 ) (3 ) 5 3
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 remainder 7 of 6. So, 6 da ys b efore Saturda y is Sunda y . 6 4 4 6