The command \AMCcodeH{nrexamen}{4} must be called inside onecopy (for example right before the line %%% preparation of the groups)

thank you very much.

Please ,my question is how to position code right side and force AMC to get standard digits in the code (1234567) instead of ‫‪٩‬‬ ‫‪٨‬‬ ‫‪٧‬‬ ‫‪٦‬‬ ‫‪٥‬‬ ‫‪٤‬‬ ‫‪٣‬‬ ‫‪٢‬‬ ‫‪١‬‬ ‫‪٠‬‬
Many thanks in advance.

If you want to mix english and arabic, you should not use \Arabic for all the document, but enclose arabic parts in braces with the \Arabic command inside. See attached for an example.

thanks very much for your help. Everything is ok now. There is one last point. when numbering questions digits keeps in ٩‬‬ ‫‪٨‬‬ ‫‪٧‬‬ ‫‪٦‬‬ ‫‪٥‬‬ ‫‪٤‬‬ ‫‪٣‬‬ ‫‪٢‬‬ ‫‪١‬‬ numbers, if there is a tip to exclude them from being considered as \Arabic would you mind help solving this little tic. Another time thank you for your support.