Are These bills Worth Anything?

[greg23]

Someone gave these to me.I have no idea as to what they are worth.Any advice would be appreciated.

HH

Greg

 

[AU24K]

The Kuwait one is worth the current exchange rate,
The Peru one is worth ten to fifteen cents,
The Guyana one is worth between twenty cents and a dollar,
The Magyar(Hungary) one is worth between ten and fifteen cents,
and the English one is worth the current exchange rate.

Best,
Scott