Q.201111: যদি a : b = 5 : 7 এবং b : c = 6 : 11 হয় তাহলে a : b : c = ? |
যদি a : b = 5 : 7 এবং b : c = 6 : 11 হয় তাহলে a : b : 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