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9Â years, 9Â months ago
On a planet, named M, one day has 36 hours, and it follows a 9-hour clock (like we follow a 12-hour clock). In an hour, there are 100 minutes and in a minute, there are 200 seconds. Moreover, the hour hand and the second hand move in a clockwise direction, while the minute hand moves in an anticlockwise direction. On the planet, how many times will the hour hand and the minute hand meet in a day? a) 32 b) 36 c) 40 d) 44
9Â years, 9Â 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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