Question

determine if the following ratio form a proportion. also write the middle terms and extreme terms when the ratios form a proportion :

(I) 25 CM : 1 m and ₹40 : ₹160
(ii) 39 litres : 65 litres and 6 bottles : 10 bottles
( iii) 2 kg : 80 kg and 30 sec : 5 minutes
( iv) 200 g : 2.5 kg and ₹ 4 : ₹ 50

with pics​

Answer 1

1) 25cm : 100cm and $40 : $160

1:4::1:4

MIDDLE TERMS = ; 40

EXTREME TERMS = 25;160