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Ready4

If z → denotes the greatest integer less than or equal to z, is z → =1?

  1. 8z−1=−13+5z
  2. 1<z<2
Ready4

If , which must be less than 1?

I.

II.

III.

190113 x, y, and z are consecutive integers. 0 < x < y < z. Is xz even? (1) xy is even. (2) xyz is divisible by 4.
191020 x is 30% more than y, and y is 40% less than z, What was the percent decrease from z to x?
181215 Each bit of a five-digit password may consist of 0-9, a-z, A-Z. What`s the number of different passwords totally?
If x,y, and z are nonzero numbers, is xz = 12?(1)$${x}^{2}yz= 12xy$$(2)$$\frac{z}{4}=\frac{3}{x}$$
What is the hundreds digit of the integer z?(1)10z = 93,120(2)z rounded to the nearest hundred is 9,300.
If the average (arithmetic mean) of positive integers x, y, and z is 10, what is the greatest possible value of z ?
If d is the standard deviation of x, yand z, what is the standard deviation of x + 5, y + 5, and z + 5 ?
If 2, x, y, and z are different positive integers whose average (arithmetic mean) is 10, what is the greatest possible value of z ?
If x, y, and z are consecutive even positive integers, which of the following could be equal to x + y + z ?
PREP07 Test 1 If d is the standard deviation of x, y, and z, what is the standard deviation of x + 5, y + 5, and z + 5 ?
OG18-定量推理 If the average (arithmetic mean) of x, y, and z is 7x and x ≠ 0, what is the ratio of x to the sum of y and z ?
OG18-定量推理 If p, q, x, y,and z are different positive integers, which of the five integers is the median?(1) p + x < q(2) y < z
OG19-定量推理 If p, q, x, y, and z are different positive integers, which of the five integers is the median? (1) p+xz
OG12 OG15 GMAT、gmat题库、gmat模考、gmat考满分What is the value of z in the triangle above?(1)x + y=139(2)y + z = 108
Ready4

A room has length , width , and height . What is the volume of the room?

(1)

(2) and

Ready4

If y and z are integers, what is the value of y+z?

  1. y+z<8 and y+z>6.
  2. 1< y 2 < z 2 <2.5
Ready4

For the four positive integers w, x, y, and z, is \frac{w}{x}< \frac{w+y}{x+<font color='#FE8080'>z</font>} ?

(1) w x < y z

(2) w + y < x + z
PREP07 Test 1 Each employee of Company Z is an employee of either Division X or Division Y, but not both. If each division has some part-time employees, is the ratio of the number of full-time employees to the number of part-time employees greater for Division X than for Company Z ?(1) The ratio of the number of full-time employees to the number of part-time employees is less for Division Y than for Company Z.(2) More than half of the full-time employees of Company Z are employees of Division X, and more than half of the part-time employees of Company Z are employees of Division Y.