Q. 4. Determine if the following ratios form a proportion. Also, write the middle terms and extreme terms where the ratios form a proportion.
(b) litres : litres and bottles : bottles
As we can see (1) and (2) are equal, they are in proportion.
Middle Terms: 1 m and Rs 40
Extreme Terms: 25 cm and Rs 160.
(b) litres: litres and bottles : bottles
Middle Terms: 65 litres and 6 bottles
Extreme Terms: 39 litres and 10 bottles.
As we can see (1) and (2) are not equal, they are not in proportion.
Middle Terms: 2.5 litres and Rs 4
Extreme Terms:200 mL and Rs 50.
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