(vii)
Estimate the yield of pulses in India from the standing crops (a person is not
allowed to cut all of it) (viii) Find the volume of blood inside the body of a person (a person is not allowed to
bleed completely) (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