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应用题 The positive numbers w, x, y, and z are such that x is 20 percent greater than y, y is 20 percent greater than z, and w is 20 percent less than x. What percent greater than z is w ?
OG19-定量推理 If S is a set of four numbers w, x, y, and z, is the range of the numbers in S greater than 2 ? (1) $$w-z>2$$ (2) z is the least number in S.
OG15 OG16 OG17 OG18 OG19 OG20 OG2022 lf x, y, and z are three-digit positive integers and if x = y+ z, is the hundreds digit of x equal to the sum of the hundreds digits of y and z ?(1) The tens digit of x is equal to the sum of the tens digits of y and z.(2) The units digit of x is equal to the sum of the units digits of y and z.
OG18-定量推理 If S is a set of four numbers w, x, y, and z, is the range of the numbers in S greater than 2?(1) w - z >2(2) z is a the least number in S.
190124 {v,w,x,y,z}={2,3,4,8,9}. What is the possible value of $$\frac{\frac{vw}{y}}{\frac{x}{z}}$$?
190215 x,y,z are consecutive positive integers. xyz=858. What is the value of x+y+z=?
190113 还原机经选题: 文字题&几何 z=x/y. If x and y are increased by 40% and 25%, respectively, by what percent is z increases?
If $$\frac{x+y}{z} >{0}$$, is $$x < 0$$?(1)$$ x<{y}$$(2) $$z<0$$
PREP07 Test 2 If (x+y)/z = -2, is x positive?(1) z is negative.(2) y is positive.
OG19-定量推理 What is the least integer z for which $$(0.000125)(0.0025)(0.00000125) \times 10^{z}$$ is an integer?
Magoosh $$10^{x} + 10^{y} + 10^{z} = n$$, where x, y, and z are positive integers. Which of the following could be the total number of zeroes, to the left of the decimal point, contained in n? I. x + yII. y – zIII. z
PREP07 Test 2 Each of the numbers w, x, y, and z is equal to either 0 or 1. What is the value of w + x + y + z ?(1) $$\frac{w}{2} + \frac{x}{4} + \frac{y}{8} + \frac{z}{16} = \frac{11}{16}$$(2) $$\frac{w}{3} + \frac{x}{9} + \frac{y}{27} + \frac{z}{81} = \frac{31}{81}$$
Ready4

If , what is the value of ?
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If , does <font color='#FE8080'>z</font>=4?

(1) y=2

(2) x and <font color='#FE8080'>z</font> are both positive
190113 What is the average of x,y,z? (1)2x-y+z=6 (2)x+4y+2z=9
Manhattan If 3x + 2z = 34, what is the value of z?(1) $$x^{3} = 64$$(2) 5x = z + 9
OG18-定量推理 If x, y, and z are positive numbers, is x > y > z?(1) xz > yz(2) yx > yz
OG19-定量推理 If x, y, and z are positive numbers, is x > y > z ? (1) xz > yz (2) yx > yz
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To increase productivity and prevent workers from leaving early, Company Z instituted a strict attendance policy dictating that all employees be present at work from 9 a.m. to 6 p.m. unless they are called away by an emergency. Six months after the policy had been implemented, however, internal analysis revealed that overall productivity during work hours had declined.

Which of the following, if true, would best explain why the policy produced the reverse of its intended effect?
GWD A shortage of orders for Manto Aircraft's airliners has led analysts to predict that the manufacturer will have to lay off workers. The new order that Consolidated Airlines has just made for 20 of Manto's model TX jets does not provide a reason for the analysts to revise their predictions ,because simultaneously with its new order , Consolidated canceled its existing order for an equal number of Manto's larger, more expensive model Z jets.Which of the following ,if true, most seriously weakens the argument?