Q.201108: x : y = 12 : 5 এবং z : y = 21 : 16 হলে x : z = ? |
x : y = 12 : 5 এবং z : y = 21 : 16 হলে x : 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