Skip to content / Đến nội dung
ThichHocToan.com

IKMC 2012 - Grades 9-10 - Self-study Question 14

IKMC · IKMC 2012 - Grades 9-10 - Self-study

Question 14

In Billy’s room are four clocks, each slow or fast. The first is wrong by 2 minutes, the second by 3, the third by 4, and the fourth by 5. One day they read 6 minutes to 3,3 minutes to 3,2 minutes past 3, and 3 minutes past 3. What was the exact time? Editorial note: read these readings as an unordered list, not in numbered clock order.
  1. 3:00
  2. 2:57
  3. 2:58
  4. 2:59
  5. 3:01