यदि ab = 64 हो तो निम्न में से कोनसा कथन सत्य है? - - Yadi ab = 64 Ho To Nimn Me Se कोनसा Kathan Satya Hai ? Maths in hindi, ratio & proportion A : 16 = B : 4 question answers in hindi pdf A : 8 = B : 8 questions in hindi, Know About 8 : A = 8 : B Maths online test Maths notes in hindi quiz book 32 : A = B : 2