Question

1. Find the ratio of the following
(a) 60 paise to 240
(b) 3 minutes to 2 hours
(c) 4 kg to 250g
(d) 45 minutes to 1 hour
(e) 2m to 50 cm
(f) 32 m to 128 mm​

Answer 1

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It's chapter-3 Decimal, right? Same questions in my book...XD

A) 60 paise to 240

=> 60:240

=> \frac{60}{240}

=> \frac{1}{4}

B) 3 minutes to 1 hour

=> 1 hour = 60 minutes

3 minutes = 3 minutes

=> 3:60

=> \frac{3}{60}

=> \frac{1}{20}

C) 4kg to 250 grams

=> 4kg = 4000 grams

250 grams = 250 grams

=> \frac{4000}{250}

=> 16

D) 45 minutes to 1 hour

=> 1 hour = 60 minutes

45 minutes = 45 minutes

=> \frac{45}{60}

=> \frac{9}{12}

E) 2m to 50 cm

=> 2m = 200cm

50cm = 50cm

=> \frac{200}{50}

=> 4

F) 32m to 128mm

=> 32m = 32000mm

Answer 2

1 kg = 1000g

4000 : 250

4000/ 250

16 :1