Maths যদি 1/x : 1/y : 1/z = 2 : 3 : 5 তাহলে x : y : z = ?

যদি 1/x : 1/y : 1/z = 2 : 3 : 5 তাহলে x : y : z = ? - -  Maths in Bengali,  ratio & proportion  question answers in Bengali pdf   questions in Bengali, Know About Maths online test Maths notes in Bengali quiz book