I just published my video explanations to all of the 137 data sufficiency questions that are part of the data insights section in the GMAT Official Guide 2025-2026 that was released at the end of May 2025.

The following data sufficiency questions are new to the GMAT Official Guide 2025-2026: 290, 293, 294, 295, 296, 302, 327, 328, 330, 331, 335, 336, 343, 375, 406, 407, 408, 409. I should also point out that all of these questions have appeared in other official GMAT resources in the past.

I am currently going through all of the 272 quantitative reasoning questions that are part of the GMAT Official Guide 2025-2026 that was released at the end of May 2025. I am slowly publishing these videos on YouTube and on this website. Here is the link to the playlist of videos that I will be updating as I go through all of these videos to find out what changes have been made to this year’s GMAT guide.

The following quantitative reasoning questions are new to the GMAT Official Guide 2025-2026: 33, 34, 39, 42, 45, 49, 61, 64, 65, 67, 69, 72, 97, 98, 107, 119, 124, 135, 147, 155, 163, 165, 166, 170, 173, 174, 175, 176, 272. I should also point out that all of these questions have appeared in other official GMAT resources in the past.