Question

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 1

(a) \(\frac{1}{2}\) or two right angles 
(b) \(\frac{1}{4}\) or one right angle 
(c) \(\frac{1}{4}\) or one right angle 
(d) \(\frac{3}{4}\) or three right angles. 
(e) \(\frac{3}{4}\)or three right angles. 
(f) \(\frac{3}{4}\) or three right angles.