- A20 min
- B15 min
- C20 5/11 min
- D5 5/11 min
Step-by-Step Solution
At 9:45 the hour hand is at and the minute hand at behind. It must get ahead, gaining at per minute: min (at 10:05).
Answer: C) 20 5/11 min
This clock with Roman numerals shows the time in the picture. After how many minutes will its hands next be at right angles?
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