Question

why was Einstein unable to answer the question 2+2=?

Answer 1

The phrase "two plus two equals five" ("2 + 2 = 5") is a slogan used in many different forms of media, but more specifically in George Orwell's Nineteen Eighty-Four as an example of an obviously false dogma one may be required to believe, similar to other obviously false slogans by the Party in the novel.