Determine if the following ratios, forms a proportion and also write the middle terms and extreme terms if the ratios are in proportion.
$39$ liters : $65$ liters and $6$ bottles ; $10$ bottles

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Solution

$39$ litres : $65$ litres=
$6$ bottles : $10$ bottles $= 3 : 5$
Since the ratio are equal, therefore these are in proportion.
Middle terms $= 65$ litres, $6$ bottles and Extreme terms $= 39$ litres, $10$ bottles

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Question 4(b)

Determine if the following ratios form a proportion. Also, write the middle terms and extreme terms where the ratios form a proportion:

39 litres : 65 litres and 6 bottles : 10 bottles

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

(d) 200 mL: 2.5 litre and Rs 4: Rs 50

2 k g; 80 k g

25 g; 625 g

39

65

6

10

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