The GMAT Data Sufficiency module is one of the GMAT Quant topics from my GMAT Study Guide. This module includes recommended GMAT study materials, including the Veritas Prep Data Sufficiency Toolkit, and GMAT practice questions from the Official Guide and Veritas Prep GMAT books. It covers Data Sufficiency fundamentals, as well as advanced strategies for approaching this special GMAT Quant question type.

If you are looking for the subsets of Data Sufficiency questions that deal primarily with arithmetic, fractions and decimals, or algebra, you can find them at the following links:

**GMAT Arithmetic Data Sufficiency****GMAT Fractions and Decimals Data Sufficiency****GMAT Algebra Data Sufficiency**

### Veritas Prep GMAT lesson sections

- Lesson 8: Data Sufficiency Skillbuilder pages 13-26
- Lesson 8: Data Sufficiency Lesson pages 29-98

### Veritas Prep GMAT homework questions

- Lesson 2: Arithmetic: 39
- Lesson 4: Algebra 29, 34
- Lesson 8: Data Sufficiency: 18, 21, 23, 28, 29, 31, 34, 42, 53, 57, 58, 66, 74, 75, 89, 98, 102, 120
- Lesson 11: Word Problems: 24

### Official Guide GMAT practice questions

**GMAT Official Guide 2019**: 231, 232, 233, 236, 248, 255, 257, 262, 280, 282, 287, 288, 289, 292, 298, 300, 303, 310, 315, 327, 328, 333, 334, 339, 349, 352, 354, 372, 383, 387, 388, 402, 403, 404**GMAT Official Guide 2019 Diagnostic Test**(2018 and 2017 have same question numbers): 27, 35**GMAT Official Guide Quant Review 2019**: 177, 179, 180, 184, 188, 201, 204, 231, 242, 243, 269, 273, 279, 284**GMAT Official Guide 2018**: 232, 234, 247, 252, 273, 275, 280, 281, 283, 288, 290, 293, 303, 309, 312, 322, 326, 327, 333, 334, 339, 349, 352, 354, 372, 383, 387, 388, 402, 403, 404**GMAT Official Guide Quant Review 2018**: 177, 178, 180, 183, 186, 195, 202, 203, 217, 218, 230, 233, 242, 243, 269, 273, 279, 284**GMAT Official Guide 2017**: 233, 234, 247, 252, 268, 269, 272, 273, 274, 278, 288, 294, 297, 298, 309, 313, 319, 337, 341, 343, 344, 363, 372, 379, 386, 387, 402, 403, 404**GMAT Official Guide Quant Review 2017**: 177, 179, 182, 185, 193, 198, 201, 202, 215, 217, 228, 231, 238, 242, 243, 245, 248, 257, 260, 271, 274, 281, 284