Q.201109: যদি 2a = 3b এবং 4b = 5c হয় তাহলে a : c = ? |
যদি 2a = 3b এবং 4b = 5c হয় তাহলে a : c = ? - - Maths in Bengali, ratio & proportion question answers in Bengali pdf questions in Bengali, Know About Maths online test Maths notes in Bengali quiz book