question_answer

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) \[\frac{1}{2}\] of a revolution

(b) \[\frac{1}{4}\]  of a revolution

(c) \[\frac{1}{4}\] of a revolution

(d) \[\frac{3}{4}\] of a revolution

(e) \[\frac{3}{4}\] of a revolution

(f) \[\frac{3}{4}\] of a revolution.