In each of the problems below, show the different stages of mathematical modelling for solving the problems. An ornithologist wants to estimate the number of parrots in a large field. She uses a net to catch some, and catches 32 parrots, which she sets free. The following week she manages to net 40 parrots, of which 8 are ringed. : Find an estimate of the total number of parrots in the field.

In each of the problems below, show the different stages of mathematical modelling for solving the problems. An ornithologist wants to estimate the number of parrots in a large field. She uses a net to catch some, and catches 32 parrots, which she ringed and sets free. The following week she manages to net 40 parrots, of which 8 are ringed. : What fraction of her second catch is ringed ?

How do ecologists estimate the total number of species present in the world?

Find the height of a given tower using mathematical modelling.

Write the approximate life span of: Parrot.

Estimate the value of the following to the nearest whole number : sqrt350

In the problem below, show the different stages of mathematical modelling for solving the problem:- A T.V. can be purchased for ₹24000 cash or for ₹8000 cashdown payment and six monthly instalments of ₹2800 each. Ali goes to market to buy a T.V., and he has ₹8000 with him. He has now two options. One is to buy TV under instalment scheme or to make cash payment by taking loan from some financial society. The society charges simple interest at the rate of 18% per annum simple interest. Which option is better for Ali?

Estimate the value of the following to the nearest whole number : squr80 .

Estimate the value of the following to the nearest whole number : squr1000

Estimate the value of the following to the nearest whole number : sqrt500 .

Estimate the value of the following to the nearest whole number. sqrt(80)