Question

what fraction of a revolution clock-wise does the hour hand of clock turn through when it goes from:
1) 1to3
2)1to10
3)7to11
4)9to12​

Answer 1

Answer:

If we divide a clock into 12 parts, one for each hour, then

-From 1 to 3, fraction will be 2/12=1/6

-From 1 to 10, fraction will be 9/12=3/4

-From 7 to 11, fraction will be 4/12=1/3

-From 9 to 12, fraction will be 3/12=1/4.