Check whether area in proportion.
`0.02 kg` to 10 g and 40 litres to 30 litres

Check whether area in proportion. 4 km to 2000 m and 80 g to 40 g

Check whether area in proportion. 200 paise to 30 rupees and 4 minutes to 1 hour

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 : 625 g (d) 200 ml : 2.5 litre and Rs 4 : Rs 50

Chech whether the given four numbers are in proportion. Write (T) if they are in proportion, and give the middle terms and the exterme terms. Wrire (F) if they ar nit in proportion. 0.16 :0.2 ::1.2 :1.5

Check whether the following numbers are in proportion or not : 30, 40, 45, 60

Check whether the given two ratios form a proportion or not: 25 : 20 and 15:10

Check whether the following numbers are in proportion or not : 20, 18, 5, 6

What percentage of a. 40 m is 10 m ? b. 7 litres is 1.4 litres?

Check whether the following numbers are in proportion or not : 3.6, 0.4, 4.5, 0.5

Are 40, 30, 60, 45 in proportion?