Question

Determine, if the ratio form of proportion or not=10kl : 15kl and 8l:12l

Answer 1

Yes they are cause ratio is2:3 and then you multiply numerator and denominator by 4 you get 8:12

Answer 2

Product of mean = Product of extreme
15kl×8l= 10kl×21l
120= 210
So they are not in proportion