Engineering Board Exam Reviewer · Angles and Angle Measurement · medium
Between 2 o'clock and 3 o'clock, after how many minutes past 2:00 do the hands of a clock coincide?
- 10
- 10.91
- 12
- 9.09
Answer
B. 10.91
Solution
The minute hand gains 5.5° per minute, and it must make up 60° (the hour hand's head start at 2:00): t=60/5.5=120/11 10.91 min.
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