Quantitative comparisons practice phần 5 ppsx

... columns by 5 . Column A = 7. Column B = 6 5 . 1 9 5 . 1 81 5 . 1 52 .16 5 . 1 52 .16 5 . 1 2.16      . And therefore column A is greater. 17. A: 3 7 B: 4 3 1 3 1 5  The best ... domesticated AI: In a horse ranch 95 horses. 45 horses are domesticated and 55 are brownish. The best answer is B. There are 55 brownish horses and therefore ( 95 – 5...

Ngày tải lên: 24/07/2014, 05:20

... Clark, each, toss a fair coin twice. The best answer is C. Column A = 0 .5 x 0 .5 = 0. 25. Column B = 0 .5 x 0 .5 = 0. 25. The columns are equal and therefore the answer is C. 27. A: The probability ... (300/60 = 5) minutes to walk 6 5 meters. His speed is 1/6 meters per minute = 10 meters per hour. 2 .5 Km = 250 0 meters. The time it would take him to walk that distance...

Ngày tải lên: 24/07/2014, 05:20

... is B. Rachael spends 1 /5 + (1/3)(4 /5) , which is (1 /5 + 4/ 15 = 7/ 15) of her allowance each month. The rest, which is (1 – 1 /5 - 8/ 15 = 4/ 15) she saves up. 7/ 15 > 4/ 15 and therefore the answer ... as Frank’s income. Susan old income was 35% more than $100, thus $1 35. Susan’s new income is 35% less than $1 35, which is 75. 87$ 100 87 75 1 35$ 100 65  . We can s...

Ngày tải lên: 24/07/2014, 05:20

... isosceles triangle, one of the angles is 55 o . The best answer is B. There are two possible angle arrangements in this circle: 55 , 55 , 70 or 55 , 62 .5, 62 .5. In both cases, the sum of the equal ... is 55 and so the fourth exterior angle is equal to (180 – 55 = 1 25 o ). X + Y + Z + 1 25 = 360 o  X + Y + Z = 360 – 1 25 = 2 35 o . We can see that column A is greater tha...

Ngày tải lên: 24/07/2014, 05:20

... 66. A: 5. 9 25. 0 5. 0 10 5. 01 5             B: 6 .5 The best answer is B. Simplify the expression in column A: 6 5. 0 5. 0 5 5.9 5. 0 5. 0 10 5. 0 5 5.9 25. 0 5. 0 10 5. 01 5                       . ... (9/144) 0 .5 – (1/ 25) 0 .5 B: (9/144 – 1/ 25) 0 .5 The best answer is B. Column A = (9/144) 0 .5 – (1/ 25) 0 ....

Ngày tải lên: 24/07/2014, 05:20

... 33311 3 11 311 3 11 33 55 66 55 6      and therefore column A is greater than column B. 6. A: 51 8  B: 728  The best answer is C. Column A = 28 252 32 252 950 18  . Column ... 3. A: 121 11 15 16 3 1 5 2 X XXX  B: 1 The best answer is C. There is no other way, simplify the expression in column A: 1 15 456 11 11 15 4 3 1 121 11 15 16 3 1...

Ngày tải lên: 24/07/2014, 05:20

... A: 2 .5 x 3 .5 x 8.8 x 4 .5 B: 5 x 3 .5 x 4.4 x 9 The best answer is B. Don’t calculate, compare. Simplify column B into: 2 .5 x 2 x 3 .5 x 4.4 x 4 .5 Simplify column A into: 2 .5 x 2 x 3 .5 x 4.4 ... AI: -X - Y = 156 X = 2Y The best answer is B. Replace X with 2Y in the first equation to get: -2Y – Y = 156  Y = -52 The expression given can be simplified to: 253...

Ngày tải lên: 24/07/2014, 05:20

... 2 55  X B:   2 5 X AI: X < -2 The best answer is Simplify each of the expressions. A = 5 X+2 . B = 5 2X . Plug in X = -4 for example. A = 5 -2 = 1/ 25. B = 5 -8 = 1/ (5 8 ), ... The best answer is B. Divide both sides by 5 6 : 1 ? 5 – 5 -5 5 -5 ? 4 4 is much greater than 5 -5 and therefore the answer is B. 52 . A: (A + 4) 2 B: (A –...

Ngày tải lên: 24/07/2014, 05:20

... simplified. 5. 28222/1)14(2321432 55 555 552 555   XXXXXX Compare the powers of both sides: 2X – 2 = 8X + 2 .5  6X = -4 .5  X = -3/4 and therefore X is greater. 45. A: Y B: ... greater. 21. A: (5 X ) 3 B: 5 X 5 6 AI: 2 < X < 3 The best answer is B. Pick up a number for X, for example X = 2 .5. A = 5 2 .5 x 3 = 5 7 .5 . B = 5 2 ....

Ngày tải lên: 24/07/2014, 05:20

... to arrange 5 people in 5 seats B: The number of ways to arrange 5 people in 4 seats The best answer is C. Use the counting principle: If there are 5 seats the first seat has 5 possibilities, ... 104 + … + 150 ). Y = (201 + 202 + 203 + 204 + … + 250 ). Y – X = (201 – 101) + (202 – 102) + … + ( 250 – 150 ) = 100 + 100 + … + 100 = 100 x 50 = 5, 000. And therefore the answer i...

Ngày tải lên: 24/07/2014, 05:20