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At what time between 2 and 3 o'clock do the hands of a clock coincide?
Correct Answer: B — 1 10/11 minutes past 2
Explanation:
The correct answer is 10 10/11 minutes past 2. At 2 o'clock the hands are 10 minute-spaces apart. The minute hand gains 55 spaces in 60 minutes, so it gains 10 spaces in (60/55)×10 = 120/11 = 10 10/11 minutes.