Wieso = Weshalb = Warum = Weswegen
Wieso = Weshalb = Warum = Weswegen

Es sind Synonyme.

Warum stellst Du diese Frage? Ich frage darum, weil mich eine Antwort interessiert.

Weshalb stellst Du diese Frage? Ich frage deshalb, weil mich die Antwort interessiert.

Weswegen stellst Du diese Frage? Ich frage deswegen, weil mich die Antwort interessiert.

Is it true that there isn't any difference in this sentences? And what word do you use more often? (Wieso, Weshalb,Warum,Weswegen)

Question

Wieso = Weshalb = Warum = Weswegen
Wieso = Weshalb = Warum = Weswegen

Es sind Synonyme.

Warum stellst Du diese Frage? Ich frage darum, weil mich eine Antwort interessiert.

Weshalb stellst Du diese Frage? Ich frage deshalb, weil mich die Antwort interessiert.

Weswegen stellst Du diese Frage? Ich frage deswegen, weil mich die Antwort interessiert.

Is it true that there isn't any difference in this sentences? And what word do you use more often? (Wieso, Weshalb,Warum,Weswegen)

Answer

Basically, you are right. There is no difference between those sentences. 
I'd just say that "weswegen" and "deswegen" sound a bit old-fashioned but you can still use them without a problem.
In the answers however you can just omit "darum", "deshalb" and "deswegen". It doesn't sound wrong but there is simply no need in my opinion. You can just say "Ich frage, weil..."

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