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Dear LimeSurvey community! 
Following solution which I currently need - for Yes / No question type I want to assign what the correct answer is (Yes or No). 
I hope that solution is existing. But I could find on the forum. Probably someone could give me a link?
At the end it is interesting for me how the final results can be presented? Is it possible here to get some percentage of Ok and NOk provided answers?
Regards
Vitaliy

Sorry, you did not tell us the version of LimeSurvey you are using and where and how it is hosted.
   

I want to assign what the correct answer is (Yes or No). 

With ExpressionScript you can calculate the percentages.
And you may use assessment values to calculate a little bit easier, if the "correct" answer sometimes is "Yes" and sometimes is "No"
Set the assessment values accordingly (1= correct, 0=not correct).

So display it in a question of type "text display" 
Here you may use HTML with css and the whole bunch of bootstrap to design the page.
[url] getbootstrap.com/docs/3.4/css/ [/url]

Furthermore you may use a chart library like "highcharts" or "zingChart", or... to display some charts.

There are some examples here.

But you always should provide a lss export of your survey and explain detailled what you are achieving.

Joffm

Dear Jofmm,
here the requested information:
Please help us help you and fill where relevant:
Your LimeSurvey version: 3.28.13+220531
Own server or LimeSurvey hosting: onw server
Survey theme/template: Survey options for theme - fruity 
Regards
Vitaliy