how to get kde applications version with commandline

yahoo-pier_andreit <[email protected]> Sat, 27 Feb 2016 03:56:06 +0100

Newsgroups	gmane.comp.kde.linux
Message-ID	<[email protected]>

I'm using opensuse leap 42.1 and I would like to have a way to know kde 
applications version using commandline.
how Ican get this??
manythanks, ciao :-) pier
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