Step-by-step solutions to every Problem Solving question in the Official Guide for GMAT Review 2015, organized in one convenient list by the quant experts at TTP. Click the links below to check your work and learn the most efficient ways to solve each problem.

  1. GMAT OFFICIAL GUIDE 2015 PS 1 – A project scheduled to be carried out…
  2. GMAT OFFICIAL GUIDE 2015 PS 2 – For which of the following values of n is (100+n)/n…
  3. GMAT OFFICIAL GUIDE 2015 PS 3 – Rectangular floors X and Y have equal area…
  4. GMAT OFFICIAL GUIDE 2015 PS 4 – A case contains c cartons…
  5. GMAT OFFICIAL GUIDE 2015 PS 5 -The sum of prime numbers that are greater than 60…
  6. GMAT OFFICIAL GUIDE 2015 PS 6 – A rainstorm increased the amount of water stored…
  7. GMAT OFFICIAL GUIDE 2015 PS 7 – On the graph above, when x = 1/2…
  8. GMAT OFFICIAL GUIDE 2015 PS 8 – When 1/10 percent of 5,000 is subtracted from…
  9. GMAT OFFICIAL GUIDE 2015 PS 9 – What is the value of ((.000064)^⅓)^½)…
  10. GMAT OFFICIAL GUIDE 2015 PS 10 – Raffle tickets numbered consecutively from 101 through 350…
  11. GMAT OFFICIAL GUIDE 2015 PS 11 – When Leo imported a certain item…
  12. GMAT OFFICIAL GUIDE 2015 PS 12- The numbers of cars sold at a certain dealership on six…
  13. GMAT OFFICIAL GUIDE 2015 PS 13 – A rectangular garden is to be twice as long as it is…
  14. GMAT OFFICIAL GUIDE 2015 PS 14 – If |y – ½| < 11/2, which of the following…
  15. GMAT OFFICIAL GUIDE 2015 PS 15 – At a supermarket, John spent 1/2 of his money…
  16. GMAT OFFICIAL GUIDE 2015 PS 16 – On Monday, a person mailed 8 packages…
  17. GMAT OFFICIAL GUIDE 2015 PS 17 – 0.1+0.1^2+0.1^3 =
  18. GMAT OFFICIAL GUIDE 2015 PS 18 – A carpenter constructed a rectangular sandbox with…
  19. GMAT OFFICIAL GUIDE 2015 PS 19 – A bakery opened yesterday with its daily supply of 40 dozen…
  20. GMAT OFFICIAL GUIDE 2015 PS 20 – What is the 25th digit to the right of…
  21. GMAT OFFICIAL GUIDE 2015 PS 21 – 150 is what percent of 30
  22. GMAT OFFICIAL GUIDE 2015 PS 22 – The ratio 2 to 1/3 is equal to…
  23. GMAT OFFICIAL GUIDE 2015 PS 23 – Running at the same constant rate, 6 identical machines…
  24. GMAT OFFICIAL GUIDE 2015 PS 24 – Of the five coordinates associated with points A, B, C, D…
  25. GMAT OFFICIAL GUIDE 2015 PS 25 – Of the 50 researchers in a workgroup, 40 percent will…
  26. GMAT OFFICIAL GUIDE 2015 PS 26 – If n is a prime number greater than 3…
  27. GMAT OFFICIAL GUIDE 2015 PS 27 – 1/(1+1/3)
  28. GMAT OFFICIAL GUIDE 2015 PS 28 – In the figure above, coordinates of point V…
  29. GMAT OFFICIAL GUIDE 2015 PS 29 – A rope 40 feet long is cut into two pieces…
  30. GMAT OFFICIAL GUIDE 2015 PS 30 – A student’s average (arithmetic mean) test score on 4 tests…
  31. GMAT OFFICIAL GUIDE 2015 PS 31 – Lucy invested $10,000 in a new mutual fund…
  32. GMAT OFFICIAL GUIDE 2015 PS 32 – If the quotient a/b is positive…
  33. GMAT OFFICIAL GUIDE 2015 PS 33 – The dots on the graph above indicate the weights…
  34. GMAT OFFICIAL GUIDE 2015 PS 34 – How many minutes does it take John to type y words…
  35. GMAT OFFICIAL GUIDE 2015 PS 35 – √[(16)(20) + (8)(32)]…
  36. GMAT OFFICIAL GUIDE 2015 PS 36 – If O is the center of the circle above, what fraction…
  37. GMAT OFFICIAL GUIDE 2015 PS 37 – Which of the following equations is NOT equivalent to…
  38. GMAT OFFICIAL GUIDE 2015 PS 38 – If Juan takes 11 seconds to run y yards…
  39. GMAT OFFICIAL GUIDE 2015 PS 39 – John has 10 pairs of matched socks…
  40. GMAT OFFICIAL GUIDE 2015 PS 40 – What is the lowest positive integer that is divisible by…
  41. GMAT OFFICIAL GUIDE 2015 PS 41 – 1/0.75 – 1 =
  42. GMAT OFFICIAL GUIDE 2015 PS 42 – If 1.5/(0.2 + x) =…
  43. GMAT OFFICIAL GUIDE 2015 PS 43 – In the figure above, the point on segment PQ…
  44. GMAT OFFICIAL GUIDE 2015 PS 44 – If n is an integer, which of the following…
  45. GMAT OFFICIAL GUIDE 2015 PS 45 – If 4 is one solution of the equation…
  46. GMAT OFFICIAL GUIDE 2015 PS 46 – The sum 7/8 + 1/9…
  47. GMAT OFFICIAL GUIDE 2015 PS 47 – If x = 1- 3t and y = 2t – 1…
  48. GMAT OFFICIAL GUIDE 2015 PS 48 – 1 – (1/2 – 2/3) =…
  49. GMAT OFFICIAL GUIDE 2015 PS 49 – Car X averages 25.0 miles per gallon of gasoline and Car Y…
  50. GMAT OFFICIAL GUIDE 2015 PS 50 – How many integers n are there such that…
  51. GMAT OFFICIAL GUIDE 2015 PS 51 – If y is an integer, then the least possible…
  52. GMAT OFFICIAL GUIDE 2015 PS 52 – √80 + √125 =
  53. GMAT OFFICIAL GUIDE 2015 PS 53 – The average (arithmetic mean) of 10, 30, and 50 is 5 more…
  54. GMAT OFFICIAL GUIDE 2015 PS 54 – In the equation above, k is a constant…
  55. GMAT OFFICIAL GUIDE 2015 PS 55 – In the table above, what is the number of green…
  56. GMAT OFFICIAL GUIDE 2015 PS 56 – Four staff members at a certain company worked on…
  57. GMAT OFFICIAL GUIDE 2015 PS 57 – Company P had 15 percent more employees in December…
  58. GMAT OFFICIAL GUIDE 2015 PS 58 – A glass was filled with 10 ounces of water…
  59. GMAT OFFICIAL GUIDE 2015 PS 59 – A glucose solution contains 15 grams of glucose per 100 cubic…
  60. GMAT OFFICIAL GUIDE 2015 PS 60 – On a certain day, orangeade was made by mixing…
  61. GMAT OFFICIAL GUIDE 2015 PS 61 – In the xy-plane, what is the slope of…
  62. GMAT OFFICIAL GUIDE 2015 PS 62 – In the figure above, if PQRS is a parallelogram…
  63. GMAT OFFICIAL GUIDE 2015 PS 63 – If 1 kilometer is approximately 0.6 mile, which of the following…
  64. GMAT OFFICIAL GUIDE 2015 PS 64 – A certain fruit stand sold apples for $0.70…
  65. GMAT OFFICIAL GUIDE 2015 PS 65 – The average distance between the Sun and a certain…
  66. GMAT OFFICIAL GUIDE 2015 PS 66 – At a certain school, the ratio of the number of second…
  67. GMAT OFFICIAL GUIDE 2015 PS 67- If m is the average (arithmetic mean) of the first…
  68. GMAT OFFICIAL GUIDE 2015 PS 68 – Two integers will be randomly selected from…
  69. GMAT OFFICIAL GUIDE 2015 PS 69 – In the coordinate plane, a circle has center…
  70. GMAT OFFICIAL GUIDE 2015 PS 70 – At a certain instant in time, the number of cars…
  71. GMAT OFFICIAL GUIDE 2015 PS 71 – Yesterday’s closing prices of 2,420 different stocks…
  72. GMAT OFFICIAL GUIDE 2015 PS 72 – If y = (3x-5/2) = y…
  73. GMAT OFFICIAL GUIDE 2015 PS 73 – If x + 5 > 2 and x – 3 < 7, the value of x must be…
  74. GMAT OFFICIAL GUIDE 2015 PS 74 – A gym class can be divided into 8 teams…
  75. GMAT OFFICIAL GUIDE 2015 PS 75 – In the figure above, triangle ABC is equilateral…
  76. GMAT OFFICIAL GUIDE 2015 PS 76 – At least 2/3 of the 40 members of a committee…
  77. GMAT OFFICIAL GUIDE 2015 PS 77 – If n = 20! + 17, then n is divisible…
  78. GMAT OFFICIAL GUIDE 2015 PS 78 – In the rectangular solid above, the three sides shown…
  79. GMAT OFFICIAL GUIDE 2015 PS 79 – After driving to a riverfront parking lot, Bob plans…
  80. GMAT OFFICIAL GUIDE 2015 PS 80 – M is the sum of the reciprocals of the consecutive integers…
  81. GMAT OFFICIAL GUIDE 2015 PS 81 – Working simultaneously at their respective constant rates, Machine A…
  82. GMAT OFFICIAL GUIDE 2015 PS 82 – In the Johnsons’ monthly budget, the dollar amounts allocated…
  83. GMAT OFFICIAL GUIDE 2015 PS 83 – There are 4 more women than men on Centerville’s…
  84. GMAT OFFICIAL GUIDE 2015 PS 84 – Leona bought a 1-year, $10,000 certificate…
  85. GMAT OFFICIAL GUIDE 2015 PS 85 – (0.0036)(2.8)/(0.04)(0.1)(0.003) =
  86. GMAT OFFICIAL GUIDE 2015 PS 86 – Machine A produces bolts at a uniform rate…
  87. GMAT OFFICIAL GUIDE 2015 PS 87 – If n is an integer greater than 6…
  88. GMAT OFFICIAL GUIDE 2015 PS 88 – The total cost for Company X to produce a batch…
  89. GMAT OFFICIAL GUIDE 2015 PS 89 – A dealer originally bought 100 identical batteries…
  90. GMAT OFFICIAL GUIDE 2015 PS 90 – In an increasing sequence of 10 consecutive integers…
  91. GMAT OFFICIAL GUIDE 2015 PS 91 – If Q is an odd number and the median of Q…
  92. GMAT OFFICIAL GUIDE 2015 PS 92 – A ladder of a fire truck is elevated to an angle…
  93. GMAT OFFICIAL GUIDE 2015 PS 93 – If Jake loses 8 pounds, he will weigh twice…
  94. GMAT OFFICIAL GUIDE 2015 PS 94 – A store reported total sales of $385 million for February…
  95. GMAT OFFICIAL GUIDE 2015 PS 95 – When positive integer x is divided by positive integer y…
  96. GMAT OFFICIAL GUIDE 2015 PS 96 – In a certain city, 60 percent of the registered voters…
  97. GMAT OFFICIAL GUIDE 2015 PS 97 – 1/2+[(2/3 x 3/8)….
  98. GMAT OFFICIAL GUIDE 2015 PS 98 – Water consists of hydrogen and oxygen…
  99. GMAT OFFICIAL GUIDE 2015 PS 99 – If x(2x + 1) = 0 and…
  100. GMAT OFFICIAL GUIDE 2015 PS 100 – On a scale that measures the intensity of a certain phenomenon…
  101. GMAT OFFICIAL GUIDE 2015 PS 101 – For the positive numbers, n, n + 1, n + 2, n + 4…
  102. GMAT OFFICIAL GUIDE 2015 PS 102 – If T = 5/9(K – 32), and if…
  103. GMAT OFFICIAL GUIDE 2015 PS 103 – The water from one outlet, flowing at a constant rate…
  104. GMAT OFFICIAL GUIDE 2015 PS 104 – If a square mirror has a 20-inch diagonal…
  105. GMAT OFFICIAL GUIDE 2015 PS 105 – The present ratio of students to teachers at a certain school…
  106. GMAT OFFICIAL GUIDE 2015 PS 106 – What is the smallest integer n for which…
  107. GMAT OFFICIAL GUIDE 2015 PS 107 – Sixty percent of the members of a study group are women…
  108. GMAT OFFICIAL GUIDE 2015 PS 108 – Each year for 4 years, a farmer increased the number…
  109. GMAT OFFICIAL GUIDE 2015 PS 109 – According to the chart shown, which of the following…
  110. GMAT OFFICIAL GUIDE 2015 PS 110 – For positive integers a, b, and k…
  111. GMAT OFFICIAL GUIDE 2015 PS 111 – If t = 1/(2⁹×5³) is expressed as a terminating decimal…
  112. GMAT OFFICIAL GUIDE 2015 PS 112 – A certain characteristic in a large population has a distribution…
  113. GMAT OFFICIAL GUIDE 2015 PS 113 – In a certain district, the ratio of the number of registered republicans…
  114. GMAT OFFICIAL GUIDE 2015 PS 114 – In Country C, the unemployment rate among construction…
  115. GMAT OFFICIAL GUIDE 2015 PS 115 – A pharmaceutical company received $3 million in royalties…
  116. GMAT OFFICIAL GUIDE 2015 PS 116 – If p is the product of the integers from 1 to 30 inclusive…
  117. GMAT OFFICIAL GUIDE 2015 PS 117 – If n = 3⁸ – 2⁸ which of the following is NOT…
  118. GMAT OFFICIAL GUIDE 2015 PS 118 – Club X has more than 10 but fewer than 40 members…
  119. GMAT OFFICIAL GUIDE 2015 PS 119 – In order to complete a reading assignment on time…
  120. GMAT OFFICIAL GUIDE 2015 PS 120 – If s > 0 and √(r/s) = s…
  121. GMAT OFFICIAL GUIDE 2015 PS 121 – The front of a 6-foot-by-8-foot rectangular door…
  122. GMAT OFFICIAL GUIDE 2015 PS 122 – If a = -0.3, which of the following…
  123. GMAT OFFICIAL GUIDE 2015 PS 123 – Mary’s income is 60 percent more than Tim’s income…
  124. GMAT OFFICIAL GUIDE 2015 PS 124 – Each • in the mileage table above represents an entry…
  125. GMAT OFFICIAL GUIDE 2015 PS 125 – The ratio of the length to the width of a rectangular advertising…
  126. GMAT OFFICIAL GUIDE 2015 PS 126 – An arithmetic sequence is a sequence in which each term after…
  127. GMAT OFFICIAL GUIDE 2015 PS 127 – If 3 ＜ x ＜ 100, for how many values of x/3…
  128. GMAT OFFICIAL GUIDE 2015 PS 128 – A researcher plans to identify each participant in a certain…
  129. GMAT OFFICIAL GUIDE 2015 PS 129 – An object thrown directly upward is at a height of h feet…
  130. GMAT OFFICIAL GUIDE 2015 PS 130 – Which of the following is equivalent to the pair of…
  131. GMAT OFFICIAL GUIDE 2015 PS 131 – David has d books, which is 3 times as many as Jeff…
  132. GMAT OFFICIAL GUIDE 2015 PS 132 – If the median of the numbers in list I above…
  133. GMAT OFFICIAL GUIDE 2015 PS 133 – There are 8 teams in a certain league and each team…
  134. GMAT OFFICIAL GUIDE 2015 PS 134 – An operation Ө is defined by the equation…
  135. GMAT OFFICIAL GUIDE 2015 PS 135 – The price of lunch for 15 people was $207.00…
  136. GMAT OFFICIAL GUIDE 2015 PS 136 – In Town X, 64 percent of the population are employed…
  137. GMAT OFFICIAL GUIDE 2015 PS 137 – At his regular hourly rate, Don had estimated the labor…
  138. GMAT OFFICIAL GUIDE 2015 PS 138 – If p/q < 1, and p and q are positive integers…
  139. GMAT OFFICIAL GUIDE 2015 PS 139 – It would take one machine 4 hours to complete a large production order…
  140. GMAT OFFICIAL GUIDE 2015 PS 140 – To mail a package, the rate is x cents for the first pound…
  141. GMAT OFFICIAL GUIDE 2015 PS 141 – If money is invested at r percent interest, compounded annually…
  142. GMAT OFFICIAL GUIDE 2015 PS 142 – On a recent trip, Cindy drove her car 290 miles…
  143. GMAT OFFICIAL GUIDE 2015 PS 143 – Which of the following inequalities is an algebraic expression…
  144. GMAT OFFICIAL GUIDE 2015 PS 144 – A factory has 500 workers, 15 percent of…
  145. GMAT OFFICIAL GUIDE 2015 PS 145 – In a small snack shop, the average (arithmetic mean) revenue…
  146. GMAT OFFICIAL GUIDE 2015 PS 146 – A certain country had a total annual expenditure…
  147. GMAT OFFICIAL GUIDE 2015 PS 147 – A certain rectangular window is twice as long…
  148. GMAT OFFICIAL GUIDE 2015 PS 148 – The diagram above shows the various paths along…
  149. GMAT OFFICIAL GUIDE 2015 PS 149 – If the operation ⊙ is defined by x⊙y = …
  150. GMAT OFFICIAL GUIDE 2015 PS 150 – A bar over a sequence of digits in a decimal indicates…
  151. GMAT OFFICIAL GUIDE 2015 PS 151 – At a loading dock, each worker on the night crew…
  152. GMAT OFFICIAL GUIDE 2015 PS 152 – A restaurant meal cost $35.50 and there was no tax…
  153. GMAT OFFICIAL GUIDE 2015 PS 153 – In a weight-lifting competition, the total weight of Joe’s…
  154. GMAT OFFICIAL GUIDE 2015 PS 154 – A club collected exactly $599 from its members…
  155. GMAT OFFICIAL GUIDE 2015 PS 155 – If y is the smallest positive integer such that 3,150…
  156. GMAT OFFICIAL GUIDE 2015 PS 156 – If [x] is the greatest integer less than…
  157. GMAT OFFICIAL GUIDE 2015 PS 157 – If (4-x)/(2+x) = x…
  158. GMAT OFFICIAL GUIDE 2015 PS 158 – In the first week of the year, Nancy saved $1…
  159. GMAT OFFICIAL GUIDE 2015 PS 159 – The trapezoid shown in the figure above represents a cross section…
  160. GMAT OFFICIAL GUIDE 2015 PS 160 – In a certain sequence, the term…
  161. GMAT OFFICIAL GUIDE 2015 PS 161 – In the figure above, V represents an observation point…
  162. GMAT OFFICIAL GUIDE 2015 PS 162 – During a trip, Francine traveled x percent of the total…
  163. GMAT OFFICIAL GUIDE 2015 PS 163 – If n = (33)⁴³ + (43)³³…
  164. GMAT OFFICIAL GUIDE 2015 PS 164 – If x = -1, then…
  165. GMAT OFFICIAL GUIDE 2015 PS 165 – The shaded portion of the rectangular lot shown above…
  166. GMAT OFFICIAL GUIDE 2015 PS 166 – A border of uniform width is placed around a rectangular photograph…
  167. GMAT OFFICIAL GUIDE 2015 PS 167 – Jack is now 14 years older than Bill…
  168. GMAT OFFICIAL GUIDE 2015 PS 168 – An empty pool being filled with water at a constant rate…
  169. GMAT OFFICIAL GUIDE 2015 PS 169 – A positive number x is multiplied by 2, and this product…
  170. GMAT OFFICIAL GUIDE 2015 PS 170 – If d = 1/(2³ x 5⁷) is expressed as a terminating decimal…
  171. GMAT OFFICIAL GUIDE 2015 PS 171 – A tank contains 10,000 gallons of a solution that is 5 percent…
  172. GMAT OFFICIAL GUIDE 2015 PS 172 – For any positive integer n, the sum of the first n positive integers…
  173. GMAT OFFICIAL GUIDE 2015 PS 173 – A committee is composed of w women and m men…
  174. GMAT OFFICIAL GUIDE 2015 PS 174 – How many prime numbers between 1 and 100…
  175. GMAT OFFICIAL GUIDE 2015 PS 175 – The figure above shows a circular flower bed…
  176. GMAT OFFICIAL GUIDE 2015 PS 176 – The positive integer n is divisible by 25…
  177. GMAT OFFICIAL GUIDE 2015 PS 177 – Last year the price per share of Stock X increased by k percent…
  178. GMAT OFFICIAL GUIDE 2015 PS 178 – Of the 300 subjects who participated in an experiment using…
  179. GMAT OFFICIAL GUIDE 2015 PS 179 – A fruit-salad mixture consists of apples, peaches, and grapes…
  180. GMAT OFFICIAL GUIDE 2015 PS 180 – If m⁻¹ = -⅓…
  181. GMAT OFFICIAL GUIDE 2015 PS 181 – If m > 0 and x is m percent of y, then…
  182. GMAT OFFICIAL GUIDE 2015 PS 182 – A photography dealer ordered 60 Model X cameras…
  183. GMAT OFFICIAL GUIDE 2015 PS 183 – Seven pieces of rope have an average (arithmetic mean) length of 68 centimeters…
  184. GMAT OFFICIAL GUIDE 2015 PS 184 – Lois has x dollars more than Jim has, and together they have…
  185. GMAT OFFICIAL GUIDE 2015 PS 185 – During a certain season, a team won 80 percent…
  186. GMAT OFFICIAL GUIDE 2015 PS 186 – Of 30 applicants for a job, 14 had at least 4 years’ experience…
  187. GMAT OFFICIAL GUIDE 2015 PS 187 – 1 + 1/x = 2 – 2/x…
  188. GMAT OFFICIAL GUIDE 2015 PS 188 – Last year, for every 100 million vehicles that traveled…
  189. GMAT OFFICIAL GUIDE 2015 PS 189 – Thirty percent of the members of a swim club have passed…
  190. GMAT OFFICIAL GUIDE 2015 PS 190 – What is the difference between the sixth and the fifth terms…
  191. GMAT OFFICIAL GUIDE 2015 PS 191 – If (x – 1)² = 400, which of the following could be…
  192. GMAT OFFICIAL GUIDE 2015 PS 192 – Which of the following describes all values of x for which…
  193. GMAT OFFICIAL GUIDE 2015 PS 193 – The probability is 1/2 that a certain coin will turn up heads…
  194. GMAT OFFICIAL GUIDE 2015 PS 194 – Of the final grades received by the students in a certain math course…
  195. GMAT OFFICIAL GUIDE 2015 PS 195 – As x increases from 165 to 166…
  196. GMAT OFFICIAL GUIDE 2015 PS 196 – From the consecutive integers -10 to 10, inclusive…
  197. GMAT OFFICIAL GUIDE 2015 PS 197 – A rectangular box is 10 inches wide, 10 inches long…
  198. GMAT OFFICIAL GUIDE 2015 PS 198 – Last Sunday a certain store sold copies of Newspaper A…
  199. GMAT OFFICIAL GUIDE 2015 PS 199 – 0.99999999/1.0001 – 0.99999991/1.0003 =
  200. GMAT OFFICIAL GUIDE 2015 PS 200 – The ratio, by volume, of soap to alcohol to water…
  201. GMAT OFFICIAL GUIDE 2015 PS 201 – If 75 percent of a class answered the first question…
  202. GMAT OFFICIAL GUIDE 2015 PS 202 – In the rectangular coordinate system above, the line y = x…
  203. GMAT OFFICIAL GUIDE 2015 PS 203 – A store currently charges the same price for each towel…
  204. GMAT OFFICIAL GUIDE 2015 PS 204 – If n = 4p, where p is prime number greater than 2…
  205. GMAT OFFICIAL GUIDE 2015 PS 205 – John and Mary were each paid x dollars in advance…
  206. GMAT OFFICIAL GUIDE 2015 PS 206 – In the rectangular coordinate above, if point R…
  207. GMAT OFFICIAL GUIDE 2015 PS 207 – Car A is 20 miles behind car B which is traveling…
  208. GMAT OFFICIAL GUIDE 2015 PS 208 – For the past n days, the average (arithmetic mean) daily production…
  209. GMAT OFFICIAL GUIDE 2015 PS 209 – If x ≠ 0 and x ≠ 1, and if x is replaced by 1/x…
  210. GMAT OFFICIAL GUIDE 2015 PS 210 – In the figure above, if z = 50…
  211. GMAT OFFICIAL GUIDE 2015 PS 211 – In the coordinate system above, which of the following…
  212. GMAT OFFICIAL GUIDE 2015 PS 212 – If a two-digit positive integer has its digits reversed…
  213. GMAT OFFICIAL GUIDE 2015 PS 213 – The circle with center C shown above is tangent to both axes…
  214. GMAT OFFICIAL GUIDE 2015 PS 214 – In an electric circuit, two resistors with resistances x and y…
  215. GMAT OFFICIAL GUIDE 2015 PS 215 – Xavier, Yvonne, and Zelda each try independently to solve a problem…
  216. GMAT OFFICIAL GUIDE 2015 PS 216 – If 1/x – 1/(x+1) = 1/(x+4)…
  217. GMAT OFFICIAL GUIDE 2015 PS 217 – (1/2)⁻³ × (1/4)⁻⁴ × (1/16)⁻¹…
  218. GMAT OFFICIAL GUIDE 2015 PS 218 – List T consists of 30 positive decimals, none of which is an integer…
  219. GMAT OFFICIAL GUIDE 2015 PS 219 – In a certain game, a large container is filled with red, yellow…
  220. GMAT OFFICIAL GUIDE 2015 PS 220 – 2/(1 + 2/y) = 1…
  221. GMAT OFFICIAL GUIDE 2015 PS 221 – If a, b, and c are consecutive positive integers and a < b < c…
  222. GMAT OFFICIAL GUIDE 2015 PS 222 – Of the 200 students at College T majoring in one or more…
  223. GMAT OFFICIAL GUIDE 2015 PS 223 – (5 – 6/x) = x, then x has how many possible…
  224. GMAT OFFICIAL GUIDE 2015 PS 224 – Seed mixture X is 40 percent ryegrass and 60 percent…
  225. GMAT OFFICIAL GUIDE 2015 PS 225 – If n is a positive integer, then n(n+1)…
  226. GMAT OFFICIAL GUIDE 2015 PS 226 – A straight pipe 1 yard in length was marked off in fourths…
  227. GMAT OFFICIAL GUIDE 2015 PS 227 – If [(0.0015)(10^m)]/[(0.03)(10^k)] = 5(10^7)…
  228. GMAT OFFICIAL GUIDE 2015 PS 228 – Right triangle PQR is to be constructed in the xy-plane…
  229. GMAT OFFICIAL GUIDE 2015 PS 229 – How many of the integers that satisfy the inequality…
  230. GMAT OFFICIAL GUIDE 2015 PS 230 – The value of ((2⁻¹⁴) + (2⁻¹⁵) + (2⁻¹⁶) + (2⁻¹⁷))/5…
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