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# Q.1 Find the ratio of: (a) Rs. 5 to 50 paise (b) 15 kg to 210 g (c) 9 m to 27 cm (d) 30 days to 36 hours

(a) Rs. 5 to 50 paise
Converting the given quantities into same units, we have
Rs 5 = 5 × 100 = 500 paise
$$\therefore$$ 500 paise : 50 paise
= 10 : 1
(b) 15 kg to 210 g
Converting the given quantities into same units, we have 15 kg = 15 × 1000 = 15000 g
$$\therefore$$15 kg : 210 g = 15000 g : 210 g
= 1500 : 21 = 500 : 7
(c) 9 m to 27 cm Converting the given quantities into same units, we have
9 m = 9 × 100 = 900 cm
$$\therefore$$9m: 27 cm = 900 cm : 27 cm
= 100 : 3 .
(d) 30 days to 36 hours
Converting the given quantities into same units, we have
30 days = 30 × 24 hours
$$\therefore$$30 days : 36 hours
= 720 hours : 36 hours = 20:1