Q.201105: a : b = 3 : 4 এবং b : c = 4 : 7 হলে a + b + c / c = ? |
a : b = 3 : 4 এবং b : c = 4 : 7 হলে a + b + c / 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