I don't know if this has been posted before (can't find anything) but I found this quite interesting
I can hear up to 16 kHz
http://www.noiseaddicts.com/2009/03/can-you-hear-this-hearing-test/
and on this one I can hear 17 kHz (although my eyes become watery at about 19k )
http://www.audiocheck.net/audiotests_frequencycheckhigh.php
I can hear up to 16 kHz
http://www.noiseaddicts.com/2009/03/can-you-hear-this-hearing-test/
and on this one I can hear 17 kHz (although my eyes become watery at about 19k )
http://www.audiocheck.net/audiotests_frequencycheckhigh.php