Upload a file

Captcha render time: 0.66 seconds

* Title:

* Author:

* Publication date:

Source link:

Provided source link is invalid.

Tags:

no tags

Please fill out the required fields, marked in red.

Max file size: 10MB Please upload a file.

Your captcha image is below. If the question is too hard, refresh to get a new one.

\begin{gathered}\text{How many different permutations of the letters}\\\text{in the word }\texttt{captcha}\text{ are there?}\\ \text{Divide your answer by }52\text{ and take the floor of it.}\end{gathered}

Please answer the question so we know you are human. The answer is an integer.