What about the 2016 edition of the Official Guide? Which ones are the new questions?

Here are the new questions

Problem Solving: 1, 2, 3, 11, 13, 14, 15, 17, 18, 21, 25, 27, 30, 31, 33, 38, 39, 43, 44, 45, 55, 56, 57, 59, 60, 61, 63, 66, 67, 68, 69, 70, 73, 76, 82, 83, 85, 86, 87, 88, 89, 91, 97, 98, 99, 107, 108, 111, 114, 117, 122, 125, 134, 136, 137, 139, 142, 153.

Data Sufficiency: 7, 10, 12, 14, 15, 16, 18, 19, 20, 21, 23, 26, 27, 29, 34, 37, 38, 39, 40, 41, 46, 48, 49, 51, 54, 55, 60, 64, 67, 73, 77, 80, 83, 84, 86, 92, 94, 115, 121, 134, 135, 136, 137, 150.

The questions in the diagnostic test are exactly the same as the OG 2015 and the GMAT 13th Edition.

For Verbal:

Sentence Correction: 2, 4, 7, 10, 13, 18, 21, 23, 27, 28, 31, 35, 37, 42, 46, 52, 63, 66, 73, 80, 86, 90, 97, 101, 111, 116, 120, 124, 126, 128, 132, 133, 136, 137, 138

Critical Reasoning: 1, 2, 3, 4, 8, 10, 21, 30, 37, 39, 41, 43, 48, 49, 53, 55, 57, 58, 60, 63, 65, 67, 70, 76, 77, 79, 81, 84, 94, 97, 100, 106, 109, 121, 124

Reading Comprehension: 8, 9, 10, 42, 43, 44, 45, 46, 47, 96, 97, 98, 99, 100, 101, 107, 108, 109, 110, 111, 112, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139