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No, the questions you encounter on these tests are not going to appear, at least not verbatim, in the actual tests. The questions of the OG especially, are disclosed ones, meaning that they had been part of actual tests and now have been taken off the pool with the available test questions.
Having said this, the questions on the OG can give you a very good estimate of the question types you are to face, should you decide to take the test. After studying for a period, you will realise that the principles behind all solutions start to look alike.
There was one problem on the test that I recently took which is in the OG as a problem solving and was manipulated to a data suffiency. Besides situations like that, it is highly unlilkely that you will confront problems on the actual test which you have previously seen.