WYMIC 2001 Individual
5. Between 5 and 6 o’clock, a lady looked at her watch. She mistook the hour hand for the minute hand and vice versa. As a result, she thought the time was approximately 55 minutes earlier. Exactly how many minutes earlier was the mistaken time?
( เฉลย ตอบ 5 : 24 )
07 มิถุนายน 2013 11:47 : ข้อความนี้ถูกแก้ไขแล้ว 2 ครั้ง, ครั้งล่าสุดโดยคุณ Thamma
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