यदि a : b = 3 : 4 तथा b : c = 8 : 9 हो तो a : c = ? - - Yadi A : B = 3 : 4 Tatha B : C = 8 : 9 Ho To A : C = ? Maths in hindi, ratio & proportion 3 : 2 question answers in hindi pdf 1 : 3 questions in hindi, Know About 1 : 2 Maths online test Maths notes in hindi quiz book 2 : 3