1  Introduction
In class XI, we have learnt about mathematical modelling as an attempt to study some
part (or form) of some real-life problems in mathematical terms, i e , the conversion of
a physical situation into mathematics using some suitable conditions Roughly speaking
mathematical modelling is an activity in which we make models to describe the behaviour
of various phenomenal activities of our interest in many ways using words, drawings or
sketches, computer programs, mathematical formulae etc