What fraction of a clockwise revolution does the hour hand of a clock turn through, when it goes from
(a) 3 to 9 (b) 4 to 7 (c) 7 to 10 (d) 12 to 9 (e) 1 to 10 (f) 6 to 3
Answer (a)
Hour hand takes
of revolution to move from 3 to 9.
Answer (b)
Hour hand takes
th of revolution to move from 4 to 7.
Answer (c)
Hour hand takes
th of revolution to move from 7 to 10.
Answer (d)
Hour hand takes
th of revolution to move from 12 to 9.
Answer (e)
Hour hand takes
th of revolution to move from 1 to 10.
Answer (f)
Hour hand takes
th of revolution to move from 6 to 3.
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