To find the ratio of:
(a) Rs 5 to 50paise
Rs 5 = 500 Paise
Ratio = 500/50 = 10/1 = 10:1
(b) 15kg to 210 g
1kg = 1000 gm
15Kg = 15*1000 = 15000 gm
Ratio = 15000/210 = 500/7 = 500:7
(c) 9m to 27cm
1m = 100cm
9m = 9*100 = 900cm
Ratio = 900/27 = 100/3 = 100:3
(d) 30days to 36 hours
1 day = 24 hours
30 days = 24*30 = 720 hours
Ratio = 720/36 = 20/1 = 20:1