Determine if the following ratios are in proportion.
(a) 48 kg : 6 kg and 25 g : 200 g
(b) 8 m : 21 m and 24: 63
(c) 45 girls : 60 girls and 48 boys : 64 boys
(d) 5.21: 3.9 l and 3 ml : 4 ml
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Answer:
d) 45girls : 60 girls and 48 boys : 64 boys
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