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9Â years, 6Â months ago
9Â years, 6Â months ago
In 9 hours minute hand covers = (360*9) degrees.
In 9 hours hour hand covers = 360 degrees
Speed of minute hand/speed of hour hand = 9:1
For every one full round of hour hand they will meet at = 9+1 times = 10 times and the tenth time would be at starting.
For 4 rounds they will meet = 4*10 times = 40 times
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