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Brain teaser for the week 20200829 每周烧次脑
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Difficulty level: ✮ ✮ ✮ ✮ ✮
I throw a five-cent coin and a ten-cent coin in the air. If the ten-cent coin lands as a head, what is the probability that the five-cent coin will land as a head?
假设有2枚硬币，一枚五分，一枚十分。先抛十分的，如果如果正面朝上，那么五分的正面朝上的概率是？
(a) 1/3
(b) 1/2
(c) 2/3
(d) 3/4
(e) 7/8
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Answer to be disclosed at our
next episode of brain teaser
答案下期公布
By the New Year's Day, top 3 players will get a gift from us!
元旦前，年度前三高手将获得神秘礼物！
Answer to the last week 上期答案 Brain teaser for the week 20200822 每周烧次脑
(e) a country 一个国家名字。改组字母可拼写成 Germany。
MEANYRG spells GERMANY.
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