(ix)
Estimate the population of India in the year 2020 (a person is not allowed to wait
till then) All of these problems can be solved and infact have been solved with the help of
Mathematics using mathematical modelling In fact, you might have studied the methods
for solving some of them in the present textbook itself However, it will be instructive if
you first try to solve them yourself and that too without the help of Mathematics, if
possible, you will then appreciate the power of Mathematics and the need for
mathematical modelling