what is the ration of area swept by a minute hand of a clock from 3 30 pm to 3 45 pm and from 4 10 am to 4 35 am

Dear student, Units covered by minute hand from 3:30 to 3:45 = 45 - 30 = 15 . Units covered by minute hand from 4:10 to 4:35 = 35 - 10 = 25 . Ratio = 15/25 = 3/5 = 3:5 . Regards