Which one is Purine base of RNA?

Purine base is

Purines of RNA are

Purines of RNA are

Purines of RNA are

Purines of RNA are

Purine bases of DNA include:

Thymine and urasil are two bases, one of them is present in DNA and other in RNA. Which one of them is present in DNA and which one is present in RNA?

Which purine base is found in RNA ?