# Tagged Questions

Use this tag when you want to determine the thinking that is needed to solve a certain type of problem, as opposed to looking for a specific answer to a question.

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### Minimizing log-likelihood function

Below is a problem I'm currently working on. I am having trouble seeing how I can obtain the wk and wko values for equation (1). I cannot see how one would solve the negative log-likelihood function ...
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### How do you work out the angle in this square?

I have labelled all the angles that I can work out. But I can't think of any other way to find the other angles without being 100% sure. Thank you! P.S. I have attached the official question - ...
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### Coin flipping problem

Suppose that you are flipping a coin endless times. what's the expected round where you would get the same side $3$ consecutive times? I'm guessing it would take $7$ flips to see either ...
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### Let $1 + 2^m = 3^n$. What the max value of $(m+n)$?

How do I determine the maximum value of $(m+n)$ if $m$ and $n$ are natural numbers if $1 + 2^m = 3^n$ holds? I have got $\text {max} (m+n)$ to be $5$ so far, but I do not know how to determine whether ...
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### Work and time problem

I came up with this problem: $150$ workers were employed to do a particular work. On first day, $150$ workers worked. On second day, $146$.. and each subsequent day, workers kept on decreasing by 4. ...
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### Smallest number of groups to sniff

The question given: The sniffer dog at the airport stops beside a trolley piled high with 60 suitcases. One of the suitcases contains contraband peanuts. The dog can tell whether peanuts are hidden in ...