Quantitative comparisons practice phần 8 pps

... 27/ 68 + 17/34 The best answer is B. Column A = 1 – 4/17 = 13/17 = 52/ 68. Column B = 27/ 68 + 34/ 68 = 61/ 68. Column B is greater than column A. 54. A: (0.99) 3 (0.99) 4 B: (0.99) 8 ... 56. A: 1 68 5.125.2  XX B: 4 5.1  X A = 4/9 + 5/12 = 1 08 93 1 08 45 48   < 1. B = 4/7 + 5/11 = 77 79 77 3544   > 1 and therefore column B is greater. 48....

Ngày tải lên: 24/07/2014, 05:20

... a sum of 8: 4 -8, 8- 4, 6-6, 10-2, 2-10 and so the probability here is 5/36, which is greater. Column B is greater. 22. A: The probability of receiving “heads” at least once B: 5 /8 AI: A ... balls: 12 1 8 2 9 3  . 2. The probability of two blue balls: 36 1 8 1 9 2  . 3. The probability of two yellow balls: 6 1 8 3 9 4  . The total probability in column A = 18...

Ngày tải lên: 24/07/2014, 05:20

... + 4 B: X + 8 AI: X > 1 The best answer is D. Replace X with two numbers: 2 and 10. For X = 2: column A = 8 and column B = 10. For X = 10: column A = 104 and column B = 18. Since the ... zoo and that each weighs 100 pounds  there are 12 lions and each weigh 80 pounds. The total weight of the lions is 12 x 80 = 960 pounds. The total weight of the zebras is 10 x 100 = 1000...

Ngày tải lên: 24/07/2014, 05:20

... is 86 . The average of these X students together with a score of 92 is 88 . The best answer is B. Let’s write the average of the X students with the extra grade: 88 1 9 286    X X  86 X ... A: 160 B: 7 81 0 18 63  The best answer is B. There is only one way to solve this problem (guessing doesn’t count):   16262763 6 6 3 3 36 63 18 63 3 7 8 7 10 7 81 0 7...

Ngày tải lên: 24/07/2014, 05:20

... expression: 82 2526 25 26 25 3 222 2 2 2 4       YXYXYX YX YX YX YX  X-Y – 2 =8. And therefore X = Y + 10, thus X is greater than Y. 20. A: Y B: 2 AI: 8Y 3 = 128Y ... less than $135, which is 75 .87 $ 100 87 75 135$ 100 65  . We can see that her new income is less than Frank’s income and so column A is greater than column B. 18. A: The cost...

Ngày tải lên: 24/07/2014, 05:20

... the raffle B: 80 AI: The chances of winning the raffle are 0. 08% . 10,000 people are participation in the raffle. The best answer is B. 0. 08% of 10000 = (0. 08/ 100) x 10000 = 8 and therefore ... on a straight line and therefore their sum is 180 . Angles 5, 6, 1 and 2 sum up to 180 and therefore 5 and 6 by themselves are smaller than 180 degrees. 5. A: 2BC B: AB + AC A...

Ngày tải lên: 24/07/2014, 05:20

... – 4 and therefore the answer is C. 9. A: 87 2 - 86 2 B: 172 The best answer is A. We can write column A as (87 – 86 ) (87 + 86 ) = 1 (87 + 86 ) = 173. Column A is greater than column B. ... column B. 6. A: 5 18  B: 7 28  The best answer is C. Column A = 282 5232252950 18  . Column B = 282 622236247 28  . The columns are equal. 7. A: 487...

Ngày tải lên: 24/07/2014, 05:20

... B: XY + 8 The best answer is D. Open the parenthesis in column A: X 2 – 2XY +YX – 2Y 2 = X 2 – XY – 2Y 2 . Subtract XY – 8 from both sides to get: A = X 2 – 2XY – 2Y 2 – 8 and B = ... cannot be determined. 40. A: 22 87  B: 22 96  The best answer B. Simplify each of the statements to the following: A = 1136449  and B = 11 781 36  . And therefore the answer...

Ngày tải lên: 24/07/2014, 05:20

... triangle is ( 180 – 32 – 68 = 80 ) degrees. The side 8 is in front of the angle 32, which is the smallest one in the triangle and therefore the other sides must be greater than 8 and so their ... are Y, Y and 180 – 2Y. Focus on the upper corner of the triangle, the sum of the angles around it should be 360 degrees and therefore we can write: X + 180 – 2Y = 360  X – 2Y = 180  Y =...

Ngày tải lên: 24/07/2014, 05:20

... determine which is greater. 5. A: 88 % of X B: X 8 7 The best answer is A. 1 /8 is (100 /8 = 12.5%) and therefore 7 /8 is 87 .5% of X, which is less than 88 %. 6. A: The area of ... degrees and the angle CBA = 85 degrees. The best answer is B. The side in front of the larger angle is also greater. IF BAC = 44 and CBA = 85 , ACB = 180 – 44 – 85 = 51 deg...

Ngày tải lên: 24/07/2014, 05:20