How to solve this:
What fraction of a clockwise revolution does the hour hand of a clock turn through, when it goes from:
1) 12 'o clock to 6 'o clock
2) 3 'o clock to 6 'o clock
3) 1 'o clock to 4 'o clock
4) 5 'o clock to 11 'o clock
1) 1/2 (it goes 6/12 hours on the clock) 2) 1/4 (it goes 3/12 hours on the clock) 3) 1/4 (it goes 3/12 hours on the clock) 4) 1/2 (it goes 6/12 hours on the clock)
