Q.201110: A : B = 5 : 7 এবং B : C = 6 : 7 হলে A : B : C হবে? |
A : B = 5 : 7 এবং B : C = 6 : 7 হলে A : B : C হবে? - - Maths in Bengali, ratio & proportion question answers in Bengali pdf questions in Bengali, Know About Maths online test Maths notes in Bengali quiz book