Maths જો A : B = 5 : 7 અને B : C = 6 : 7 તો A : B : C હશે?

જો A : B = 5 : 7 અને B : C = 6 : 7 તો A : B : C હશે? - - jo A : B = 5 : 7 ane B : C = 6 : 7 to A : B : C hashe? Maths in Gujarati,  ratio & proportion  question answers in Gujarati pdf   questions in Gujarati, Know About Maths online test Maths notes in Gujarati quiz book