Question

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 ₹ 40 : ₹ 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 ₹ 4 : ₹ 50​

Answer 1

Explanation:

a) 25:100 and 40:160=1:4 and 1:4

b)39:65 and 6:10=3:5 and 3:5

c)

Answer 2

Explanation:

1. 25: 100 = 1: 4

40:160=1:4 yes

2. 39:65= 3 :5

6:10 =3:5 yes

3. 2:80= 1:40

25: 625=1 :25 no

4. 200:2500 =2:25

4: 50 =2:25 yes