Step-by-step solutions to every Data Sufficiency problem in the GMAT Official Guide 2017 in one convenient list, from the quant experts at TTP. Click the links below to check your work and learn how to solve problems that you answered incorrectly.
- GMAT OFFICIAL GUIDE DS 231 – In the figure above, point D is on AC. What is the degree…
- GMAT OFFICIAL GUIDE DS 232 – In College X the number of students enrolled…
- GMAT OFFICIAL GUIDE DS 233 – A citrus fruit grower receives $15 for each crate…
- GMAT OFFICIAL GUIDE DS 234 – If Pat saved $600 of his earnings…
- GMAT OFFICIAL GUIDE DS 235 – In the xy plane above…
- GMAT OFFICIAL GUIDE DS 236 – Each of the marbles in a jar is either red or…
- GMAT OFFICIAL GUIDE DS 237 – In the figure above, what is the value of…
- GMAT OFFICIAL GUIDE DS 238 – Water is pumped into a partially filled tank…
- GMAT OFFICIAL GUIDE DS 239 – What is the value of 10 percent of…
- GMAT OFFICIAL GUIDE DS 240 – What is the cube root…
- GMAT OFFICIAL GUIDE DS 241 – If sequence S has 120 terms…
- GMAT OFFICIAL GUIDE DS 242 – The number of seats in the first row…
- GMAT OFFICIAL GUIDE DS 243 – If u > 0 and v > 0, which is greater…
- GMAT OFFICIAL GUIDE DS 244 – What was the range of the selling prices of the 30 wallets…
- GMAT OFFICIAL GUIDE DS 245 – Three houses are being sold…
- GMAT OFFICIAL GUIDE DS 246 – Is rw…
- GMAT OFFICIAL GUIDE DS 247 – Is x…
- GMAT OFFICIAL GUIDE DS 248 – How many people in a group of 50 own…
- GMAT OFFICIAL GUIDE DS 249 – What is the value of w…
- GMAT OFFICIAL GUIDE DS 250 – A certain investment earned a fixed rate of 4 percent…
- GMAT OFFICIAL GUIDE DS 251 – On a recent trip, Mary drove 50 miles…
- GMAT OFFICIAL GUIDE DS 252 – What is the value of t
- GMAT OFFICIAL GUIDE DS 253 – For a certain car repair, the total charge consisted…
- GMAT OFFICIAL GUIDE DS 254 – George has a total of B books in his library, 25 of which are hardcover fiction…
- GMAT OFFICIAL GUIDE DS 255 – Is w+h^4…
- GMAT OFFICIAL GUIDE DS 256 – In Mr. Smith’s class, what is the ratio of…
- GMAT OFFICIAL GUIDE DS 257 – If the sequence S has 300…
- GMAT OFFICIAL GUIDE DS 258 – In each of the last five years, Company K donated p percent of its annual profits to…
- GMAT OFFICIAL GUIDE DS 259 – A, B, C, and D are points on a line. If C is the midpoint of…
- GMAT OFFICIAL GUIDE DS 260 – Square ABCD is inscribed in circle O…
- GMAT OFFICIAL GUIDE DS 261 – Lines k and m are parallel to each other…
- GMAT OFFICIAL GUIDE DS 262 – In cross section, a tunnel that carries one lane of one-way traffic is a semicircle…
- GMAT OFFICIAL GUIDE DS 263 – On a certain date, Hannah invested…
- GMAT OFFICIAL GUIDE DS 264 – Do at least 60 percent of the students in…
- GMAT OFFICIAL GUIDE DS 265 – The profit from the sale of a certain…
- GMAT OFFICIAL GUIDE DS 266 – If n is an integer, is n…
- GMAT OFFICIAL GUIDE DS 267 – Carmen currently works 30 hours per week at her…
- GMAT OFFICIAL GUIDE DS 268 – If A and B are positive integers…
- GMAT OFFICIAL GUIDE DS 269 – If t denotes the thousandths digit…
- GMAT OFFICIAL GUIDE DS 270 – If a and b are positive integers, is a/b…
- GMAT OFFICIAL GUIDE DS 271 – If x and y are positive integers, what is the value of…
- GMAT OFFICIAL GUIDE DS 272 – A certain truck uses 1/12+kv^2 gallons of fuel per mile…
- GMAT OFFICIAL GUIDE DS 273 – If x = 2t and y = t/3, what is…
- GMAT OFFICIAL GUIDE DS 274 – A clothing manufacturer makes jackets that are wool or cotton or a combination…
- GMAT OFFICIAL GUIDE DS 275 – If x is a positive integer greater than 1…
- GMAT OFFICIAL GUIDE DS 276 – By what percent was the price of a certain television…
- GMAT OFFICIAL GUIDE DS 277 – If n is an integer, is (0.1)^n…
- GMAT OFFICIAL GUIDE DS 278 – For a basic monthly fee of F yen, Noak’s first cell phone allowed him…
- GMAT OFFICIAL GUIDE DS 279 – The weights of all dishes of type X are exactly…
- GMAT OFFICIAL GUIDE DS 280 – A certain high school with a total enrollment of 900 students held a science fair…
- GMAT OFFICIAL GUIDE DS 281 – The average (arithmetic meant) price of 3 items…
- GMAT OFFICIAL GUIDE DS 282 – A company makes and sells two products, P and Q…
- GMAT OFFICIAL GUIDE DS 283 – Jill has applied for a job with each of two different companies. What is the probability…
- GMAT OFFICIAL GUIDE DS 284 – A scientist recorded the number of eggs…
- GMAT OFFICIAL GUIDE DS 285 – A conveyor belt moves bottles at a constant speed of 120 centimeters per second…
- GMAT OFFICIAL GUIDE DS 286 – The rectangular rug shown in the figure above…
- GMAT OFFICIAL GUIDE DS 287 – Terry holds 12 cards…
- GMAT OFFICIAL GUIDE DS 288 – Missing
- GMAT OFFICIAL GUIDE DS 289 – In the parallelogram shown, what is…
- GMAT OFFICIAL GUIDE DS 290 – The selling price of an article is equal…
- GMAT OFFICIAL GUIDE DS 291 – In a product test of a common cold remedy, x percent of the patients…
- GMAT OFFICIAL GUIDE DS 292 – Is 4^x + y…
- GMAT OFFICIAL GUIDE DS 293 – Is zp…
- GMAT OFFICIAL GUIDE DS 294 – In each game of a certain tournament, a contestant either loses 3 points or…
- GMAT OFFICIAL GUIDE DS 295 – At the beginning of the year, the Finance Committee and the Planning Committee of…
- GMAT OFFICIAL GUIDE DS 296 – Can a certain rectangular sheet of glass be positioned…
- GMAT OFFICIAL GUIDE DS 297 – In a random sample of 80 adults…
- GMAT OFFICIAL GUIDE DS 298 – What is the tenths digit in the decimal representation…
- GMAT OFFICIAL GUIDE DS 299 – Robots X, Y, and Z each assemble component…
- GMAT OFFICIAL GUIDE DS 300 – What is the sum of a certain pair of…
- GMAT OFFICIAL GUIDE DS 301 – If a < x < b…
- GMAT OFFICIAL GUIDE DS 302 – How many people are directors of both Company…
- GMAT OFFICIAL GUIDE DS 303 – A clothing store acquired an item…
- GMAT OFFICIAL GUIDE DS 304 – The sum of 4 different odd integers is 64…
- GMAT OFFICIAL GUIDE DS 305 – Was the number of books sold at Bookstore X last week greater than…
- GMAT OFFICIAL GUIDE DS 306 – From May 1 to May 30 in the same year…
- GMAT OFFICIAL GUIDE DS 307 – If x and y are positive…
- GMAT OFFICIAL GUIDE DS 308 – A merchant discounted the sale price of a coat…
- GMAT OFFICIAL GUIDE DS 309 – A taxi company charges f cents…
- GMAT OFFICIAL GUIDE DS 310 – If the positive integer n is added to each of the integers 69, 94, and 121…
- GMAT OFFICIAL GUIDE DS 311 – Guy’s net income equals his gross…
- GMAT OFFICIAL GUIDE DS 312 – If the ratio of the number of teachers…
- GMAT OFFICIAL GUIDE DS 313 – Each gift certificate sold…
- GMAT OFFICIAL GUIDE DS 314 – What is the tens digit…
- GMAT OFFICIAL GUIDE DS 315 – Three dice, each of which has its 6 sides numbered 1 through 6, are tossed…
- GMAT OFFICIAL GUIDE DS 316 – On the number line, point R has coordinate r and point T has…
- GMAT OFFICIAL GUIDE DS 317 – S is a set of points in the plane…
- GMAT OFFICIAL GUIDE DS 318 – Stores L and M each…
- GMAT OFFICIAL GUIDE DS 319 – If d denotes a decimal…
- GMAT OFFICIAL GUIDE DS 320 – Two points, N and Q (not shown)…
- GMAT OFFICIAL GUIDE DS 321 – In a survey of 200 college…
- GMAT OFFICIAL GUIDE DS 322 – Did the sum of the prices of three shirts…
- GMAT OFFICIAL GUIDE DS 323 – What is the total number of coins…
- GMAT OFFICIAL GUIDE DS 324 – A telephone station has x processors…
- GMAT OFFICIAL GUIDE DS 325 – Jazz and blues recordings accounted for 6 percent of the $840 million revenue from…
- GMAT OFFICIAL GUIDE DS 326 – On a certain nonstop trip, Marta…
- GMAT OFFICIAL GUIDE DS 327 – If x is a positive integer, what is the value of √(x+24) – …
- GMAT OFFICIAL GUIDE DS 328 – Three machines K, M…
- GMAT OFFICIAL GUIDE DS 329 – A tank is filled with gasoline to a depth of exactly 2 feet…
- GMAT OFFICIAL GUIDE DS 330 – At a certain company…
- GMAT OFFICIAL GUIDE DS 331 – missing
- GMAT OFFICIAL GUIDE DS 332 – A group consisting of several families visited an amusement park where…
- GMAT OFFICIAL GUIDE DS 333 – Mary persuaded n friends to donate…
- GMAT OFFICIAL GUIDE DS 334 – What is the area of…
- GMAT OFFICIAL GUIDE DS 335 – In the xy-coordinate plane…
- GMAT OFFICIAL GUIDE DS 336 – What is the ratio of the average (arithmetic mean) height of students in class X …
- GMAT OFFICIAL GUIDE DS 337 – Is the positive two-digit…
- GMAT OFFICIAL GUIDE DS 338 – If 2^(x + y) = 4^8…
- GMAT OFFICIAL GUIDE DS 339 – Each week a certain salesman is paid…
- GMAT OFFICIAL GUIDE DS 340 – A total of $60,000 was invested…
- GMAT OFFICIAL GUIDE DS 341 – At a bakery, all donuts…
- GMAT OFFICIAL GUIDE DS 342 – In the figure above, is the area…
- GMAT OFFICIAL GUIDE DS 343 – If r and s are positive integers…
- GMAT OFFICIAL GUIDE DS 344 – Max has $125 consisting…
- GMAT OFFICIAL GUIDE DS 345 – If r > 0 and s…
- GMAT OFFICIAL GUIDE DS 346 – If k is an integer…
- GMAT OFFICIAL GUIDE DS 347 – If x is a positive integer, then is x…
- GMAT OFFICIAL GUIDE DS 348 – What is the value of n in…
- GMAT OFFICIAL GUIDE DS 349 – If x and y are integers…
- GMAT OFFICIAL GUIDE DS 350 – Is the number of seconds required…
- GMAT OFFICIAL GUIDE DS 351 – Last year, if Arturo spent…
- GMAT OFFICIAL GUIDE DS 352 – If a, b, c, and d…
- GMAT OFFICIAL GUIDE DS 353 – Is the number of members of…
- GMAT OFFICIAL GUIDE DS 354 – On the number line above, p, q, r, s, and t…
- GMAT OFFICIAL GUIDE DS 355 – If ⌈x⌉ denotes the least integer…
- GMAT OFFICIAL GUIDE DS 356 – If x and y are integers…
- GMAT OFFICIAL GUIDE DS 357 – If r and s are the roots of the equation…
- GMAT OFFICIAL GUIDE DS 358 – The figure above represents an L-shaped garden…
- GMAT OFFICIAL GUIDE DS 359 – The only articles of clothing in a certain closet are shirts, dresses, and jackets…
- GMAT OFFICIAL GUIDE DS 360 – The figure above represents a circle graph…
- GMAT OFFICIAL GUIDE DS 361 – If x is negative…
- GMAT OFFICIAL GUIDE DS 362 – What is the number of cans…
- GMAT OFFICIAL GUIDE DS 363 – Each of the letters in the table above represents…
- GMAT OFFICIAL GUIDE DS 364 – Material A costs $3 per kilogram, and Material B…
- GMAT OFFICIAL GUIDE DS 365 – For any positive integer x, the 2-height of x…
- GMAT OFFICIAL GUIDE DS 366 – At what speed was a train traveling…
- GMAT OFFICIAL GUIDE DS 367 – List M (not shown) consists of 8 different…
- GMAT OFFICIAL GUIDE DS 368 – Tom, Jane, and Sue each purchased…
- GMAT OFFICIAL GUIDE DS 369 – If x and y are integers…
- GMAT OFFICIAL GUIDE DS 370 – In triangle ABC, point X is the midpoint…
- GMAT OFFICIAL GUIDE DS 371 – A department manager distributed a number…
- GMAT OFFICIAL GUIDE DS 372 – On a company-sponsored cruise…
- GMAT OFFICIAL GUIDE DS 373 – The length of the edging that surrounds circular…
- GMAT OFFICIAL GUIDE DS 374 – For any integers x and y, min(x, y) and max(x, y)…
- GMAT OFFICIAL GUIDE DS 375 – A certain bookcase has 2 shelves of books…
- GMAT OFFICIAL GUIDE DS 376 – In the figure above, points A, B, C, D, and E lie…
- GMAT OFFICIAL GUIDE DS 377 – In planning for a trip, Joan estimated…
- GMAT OFFICIAL GUIDE DS 378 – A certain list consists of 3 different numbers…
- GMAT OFFICIAL GUIDE DS 379 – In the xy-plane, the straight-line graphs of the three equations above …
- GMAT OFFICIAL GUIDE DS 380 – In the figure above, PQR and STU are identical equilateral triangles…
- GMAT OFFICIAL GUIDE DS 381 – The range of the numbers in set S…
- GMAT OFFICIAL GUIDE DS 382 – The annual rent collected by a corporation…
- GMAT OFFICIAL GUIDE DS 383 – The hypotenuse of a right triangle is 10 cm…
- GMAT OFFICIAL GUIDE DS 384 – In the xy-plane, region R consists…
- GMAT OFFICIAL GUIDE DS 385 – What is the volume of a…
- GMAT OFFICIAL GUIDE DS 386 – Six shipments of machine parts were shipped…
- GMAT OFFICIAL GUIDE DS 387 – If x, y and z are three-digit positive integers…
- GMAT OFFICIAL GUIDE DS 388 – The table above shows the results of a survey of 100…
- GMAT OFFICIAL GUIDE DS 389 – A school administrator will assign each student in a…
- GMAT OFFICIAL GUIDE DS 390 – What is the median number of employees…
- GMAT OFFICIAL GUIDE DS 391 – Last year, a certain company began manufacturing…
- GMAT OFFICIAL GUIDE DS 392 – Beginning in January of last year, Carl made…
- GMAT OFFICIAL GUIDE DS 393 – Are all of the numbers in a certain…
- GMAT OFFICIAL GUIDE DS 394 – If the average (arithmetic mean) of…
- GMAT OFFICIAL GUIDE DS 395 – What amount did Jean earn…
- GMAT OFFICIAL GUIDE DS 396 – In the figure above, if the area of…
- GMAT OFFICIAL GUIDE DS 397 – A report consisting of 2,600 words…
- GMAT OFFICIAL GUIDE DS 398 – If n is a positive integer and k…
- GMAT OFFICIAL GUIDE DS 399 – If x is an integer…
- GMAT OFFICIAL GUIDE DS 400 – What is the value of x+y…
- GMAT OFFICIAL GUIDE DS 401 – If n and k are positive integers…
- GMAT OFFICIAL GUIDE DS 402 – In a certain business, production index…
- GMAT OFFICIAL GUIDE DS 403 – If n is a positive integer, what…
- GMAT OFFICIAL GUIDE DS 404 – What is the value of 2t + t – …