Quantitative comparisons practice phần 2 ppt

Quantitative comparisons practice phần 2 ppt

Quantitative comparisons practice phần 2 ppt

... expression given to us can be easily simplified. 5 .28 222 /1)14 (23 214 32 555555 525 55   XXXXXX Compare the powers of both sides: 2X – 2 = 8X + 2. 5  6X = -4.5  X = -3/4 and therefore X ... consecutive numbers. X 2 – Y 2 = 27 The best answer is B. Simplify the expression: X 2 – Y 2 = (X – Y)(X + Y) = 1(X + X – 1) = 2X – 1. 2X – 1 = 27  2X = 28 ...
Ngày tải lên : 24/07/2014, 05:20
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Quantitative comparisons practice phần 10 potx

Quantitative comparisons practice phần 10 potx

... A: X B: Y AI: 25 6 2 4 25 3    YX YX The best answer is A. Rewrite the expression: 822 526 25 26 25 3 22 2 2 2 2 4       YXYXYX YX YX YX YX  X-Y – 2 =8. And therefore ... – 2 = 2. The third term is 4 (2) – 2 = 6. The fourth term is 4(6) – 2 = 22 . The fifth term is 4 (22 ) – 2 = 86. The fifth term is 4(86) – 2 = 3 42. Stop here s...
Ngày tải lên : 24/07/2014, 05:20
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Quantitative comparisons practice phần 9 potx

Quantitative comparisons practice phần 9 potx

... diameter is 4 2 d  . The area of the first circle is 4 2 1 d  . The area of the second circle is 4 2 2 d  . We know that 4 2 1 d  = 2 x 4 2 2 d   22 2 1 2 2 2 1  d d dd ... AC 2 > AB 2 + BC 2 The best answer is A. Draw a sketch of the triangle. If the triangle was a right triangle (ABC = 90 0 ), AC 2 = AB 2 + BC 2 . Since the AC...
Ngày tải lên : 24/07/2014, 05:20
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Quantitative comparisons practice phần 8 pps

Quantitative comparisons practice phần 8 pps

... up: A + B = 24 + 24 + 24 + 24 + 24 + 24 A + B = 24 x 6 = 144. Column A is greater than column B. 42. A: 2 x (0 .2) B: (0 .2) 2 The best answer is A. 2 x (0 .2) = 0.4. (0 .2) 2 = 0.04. ... The best answer is B. Column A = X 2 + Y 2 Column B = X 2 + Y 2 + 2XY, subtract X 2 + Y 2 from both sides. Column A = 0 while column B = 2XY. 2XY is greater than...
Ngày tải lên : 24/07/2014, 05:20
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Quantitative comparisons practice phần 7 doc

Quantitative comparisons practice phần 7 doc

... 6. A: 518  B: 728  The best answer is C. Column A = 28 2 523 225 295018  . Column B = 28 2 622 23 624 728  . The columns are equal. 7. A: 4875  B: 29  The best answer ... Simplify the expression:   XXX 2 3 2 2 3 2 3 191919191919361  . 2/ 3 = 2X  X = 1/3 and therefore column B is greater. 3. A: 121 11 15 16 3 1 5 2 X XXX ...
Ngày tải lên : 24/07/2014, 05:20
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Quantitative comparisons practice phần 6 ppsx

Quantitative comparisons practice phần 6 ppsx

... liters in 2 minute The best answer is A. Question s Wor Time Work s Wor Time Work Data      2 ker 2 2 1 ker 1 1 Question Liters Data      7 60 6 2 3  Liters = 105 6 2 3760     ... 10 meters per hour. 2. 5 Km = 25 00 meters. The time it would take him to walk that distance is (25 00)/(10) = 25 0 hours. Column A is ten times bigger than column B. 23 ....
Ngày tải lên : 24/07/2014, 05:20
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Quantitative comparisons practice phần 5 ppsx

Quantitative comparisons practice phần 5 ppsx

... 16 3 x 32 2 x 8 B: 64 2 x 4 3 x 16 The best answer is A. Translate all the numbers to a base of 2. Column A = 2 12 x 2 10 x 2 3 = 2 25 . Column B = 2 12 x 2 6 x 2 4 = 2 22 . We ... number there is greater. 21 . A: 3 2 22   YXXY B:   2 3 1 YX  The best answer is C. Simplify the expression in column A: 3 )( 3 2 3 2 222 22...
Ngày tải lên : 24/07/2014, 05:20
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Quantitative comparisons practice phần 4 pdf

Quantitative comparisons practice phần 4 pdf

... 2. A: (X + Y)(X – 2Y) 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 ... 24 . A: X 2 B: (X – Y) 2 AI: X > 0 > Y The best answer is B. Column B can be written as X 2 – 2XY + Y 2 . Subtract X 2 from both columns to get 0 in column A and Y 2...
Ngày tải lên : 24/07/2014, 05:20
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Quantitative comparisons practice phần 3 pps

Quantitative comparisons practice phần 3 pps

... = Z 12 21 . Column A is equal to Z + ZZ 12 33 12 21  and column B is equal to Z 12 42 , which is greater and so B is the answer. 16. A: Q + 2W – P B: 2P + 2Q AI: 0.5Q = 1.5W = 2P ... and simplifications 36. A: (Y – 2) 2 B: 2 – Y AI: 0 < Y < 1 The best answer is A. (Y – 2) 2 ? 2 – Y -(Y – 2) (2 – Y) ? 2 – Y 2 – Y ? 1 2 – Y is greater...
Ngày tải lên : 24/07/2014, 05:20
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Quantitative comparisons practice phần 1 docx

Quantitative comparisons practice phần 1 docx

... = (20 1 + 20 2 + 20 3 + 20 4 + … + 25 0). Y – X = (20 1 – 101) + (20 2 – 1 02) + … + (25 0 – 150) = 100 + 100 + … + 100 = 100 x 50 = 5,000. And therefore the answer is C. 3. A: 2 R B: ... square is   2 2 aa   . The area of the shaded region is 22 aR   . Since the areas are equal we can write the equation: 22 222 2 RaaRa   . And therefore a = 2...
Ngày tải lên : 24/07/2014, 05:20
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