You have asked 6 questions:
why is hazard function tending to infinity
This has an answer by @AdamO which you haven't accepted. If you don't accept people's answers, or at least explain why their answer doesn't answer your question, they will be disinclined to answer again. The same goes if you don't upvote an answer that you find useful.
Monte Carlo simulation for generating random numbers from a distribution
This was closed as off-topic although you did receive 2 answers (one of which you acccepted, so that is good)
Rhods method of Logistic curve fitting y
This was closed due to needing more focus, although you got some good hints in the comments. I see that you have edited the question and I have just voted to re-open it.
Population growth projection
The problem with this question is that you have just uploaded a picture. Please show some effort by using $\LaTeX$ to format the mathematics nicely. Having said that, you have received a very useful hint from @Ben. This is the best way to learn - by using hints, rather than getting someone to just tell you the whole answer.
Complete expectation of life in Demography
The same problem as the previous question. Please don't upload pictures.
Mortality rate Calculations
Same again, please don't upload pictures. For this one it takes hardly any longer to write it in $\LaTeX$ than by hand. I get that if you don't know $\LaTeX$ then it can be a bit time consuming at first but it is easy to learn and a useful skill to have (there is also a tex.stackexchange.com in case you have problems)
$ l_{45} = 30,450$
$ l_{46} = 30,320$
$ d_{45} = 30,450 - 30,320 = 130$
$ q_{45} = \frac{130}{30,450} = 0.0043$
If you do this, then people will be much more inclined to help. For example in these kinds of situations often there is a simple typo or missed step. If someone wants to answer then it is much easier to copy your $\LaTeX$ and edit it rather than type it all in from scratch. Plus, it looks a LOT nicer !!
