Download 501 Quantitative Comparison Questions: Master This by LearningExpress Editors PDF

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501 Quantitative comparability Questions is helping arrange scholars for key educational flair tests-including the PSAT/NMSQT, the SAT, and the GRE-which function a quantitative comparability part in the math part of the examination. 501 Quantitative comparability Questions is designed to assist scholars organize for this really expert math part, mastery of that's crucial for popularity to fascinating faculties and jobs. through finishing the workouts during this e-book, scholars can elevate their math wisdom and achieve familiarity with really good questions had to rating excessive. The ebook beneficial properties whole solutions, every one with an entire rationalization.

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C. ᎏ3ᎏx + ᎏ3ᎏx + ᎏ3ᎏx = 1x; therefore, x = 9. The quantities are equal. 104. a. Since the bases are the same (b) and b > 1, the exponents can be compared. a + 1 > a since a is positive. 105. b. Simplify both fractions by canceling the x’s. The fractions then become just −y and y. y is positive, so −y is negative. Any positive number is greater than any negative number. 21 501 Quantitative Comparison Questions 106. b. Quantity A is less than 1 and quantity B is greater than 1. This is easily seen by the fact that ᎏ31ᎏ0 is being taken from 1, which brings the value below 1 for quantity A.

Both quantities are equivalent to m18. m18; ͙m ෆ 119. c. Divide both terms in the numerator of quantity A by 5. This yields x − 7, which is equivalent to quantity B. 120. c. The only prime divisible by 7 is 7. It is the same for 11—the only prime divisible by 11 is 11. If any other number was divisible by 7 or 11, it would not be prime. 121. a. 0989. 122. c. When multiplying by 105, move the decimal 5 places to the right to get 425,000. When dividing by 102, move the decimal 2 places to the left to get 425,000.

C. Add the numbers inside the parentheses. (84 + 12)(15 + 91) = (96)(106) and (74 + 22)(20 + 86) = (96)(106). 56. c. 5. 57. a. Since the bases are equal, just compare the exponents to compare the expressions. 3 > ᎏ13ᎏ. 58. c. 4x is an even number because any multiple of 4 is even. The remainder when an even number is divided by 2 is 0. 59. b. ͙4 ෆ = 2, so ͙5 ෆ > 2. 60. a. ͙17 ෆ > 4 and ͙5 ෆ > 2, therefore, ͙17 ෆ + ͙5 ෆ > 6. Since ͙25 ෆ = 5, ͙22 ෆ < 5. Quantity A is greater. a b a 4 9 36 36 61. a.

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