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501 quantitative comparison questions by LearningExpress Editors

By LearningExpress Editors

501 Quantitative comparability Questions is helping arrange scholars for key educational flair tests-including the PSAT/NMSQT, the SAT, and the GRE-which characteristic a quantitative comparability part in the math section of the examination. 501 Quantitative comparability Questions is designed to aid scholars arrange for this really expert math part, mastery of that's crucial for popularity to fascinating colleges and jobs. through finishing the routines during this ebook, scholars can bring up their math wisdom and achieve familiarity with really expert questions had to rating excessive. The e-book good points entire solutions, each one with an entire clarification

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86. b. Compare each number in quantity A to a different number in quantity B; 956 < 970, 274 < 275, and 189 < 200. Since each of the numbers in quantity A is less than the corresponding number in quantity B, quantity B is greater. 19 501 Quantitative Comparison Questions 87. a. Pair the largest number with the smallest number (1 and 100) from the list of integers and add them together (101). Take the second largest pair (2 and 99) and add them together (101). The sum of the third largest pair (3 and 98) is also 101.

89. a. Use the formula distance = rate × time. 25r. 2ᎏ 5 , so 52 = r. The rate is 52 miles per hour. 2ᎏ 5 =ᎏ 90. b. All the numbers involved in the problem are negative. There is an odd number of numbers for quantity A and an even number of numbers for quantity B. When multiplying an odd number of negatives, you get a negative answer. When multiplying an even number of negatives, you get a positive answer. Any positive number is greater than any negative number. 2 91. a. Find the number of miles that John has driven by finding ᎏ5ᎏ of 350; ᎏ25ᎏ × 350 = 140.

Use rules of exponents to simplify quantities. (t6)2 = t12 and t8t4 = t12. The quantities are equal. 108. c. The primes between 40 and 50 are 41, 43, and 47. The primes between 1 and 6 are 2, 3, and 5. Each quantity equals 3. 109. a. Square both quantities to get rid of some of the square roots. ෆ+y (͙xෆ + ͙yෆ)2 = (͙xෆ + ͙yෆ)(͙xෆ + ͙yෆ) = x + 2͙xy (͙xෆ) +y2=x+y ෆ, which is positive, it is Since quantity A has the extra term 2͙xy greater. 110. c. Use the formula distance = rate × time. Kendra’s rate is 56 and her distance is 42; 42 = 56t.

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