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Determine if the following ratios form a...

Determine if the following ratios form a proportion. Also, write the middle terms and extreme terms where the ratios form a proportion. (a) 25 cm : 1 m and Rs 40 : Rs 160 (b) 39 litres : 65 litres and 6 bottles : 10 bottles (c) 2 kg : 80 kg and 25 g

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The correct Answer is:
a. Yes , b. Yes, c. Yes, d. No
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